Use RBE for Fuchsia CI builds (#51675)

I'm not seeing the failures I had seen in these builds previously. I
suspect in the meantime we've rolled reclient forward in CI.
diff --git a/ci/builders/linux_fuchsia.json b/ci/builders/linux_fuchsia.json
index e568471..ab96dfc 100644
--- a/ci/builders/linux_fuchsia.json
+++ b/ci/builders/linux_fuchsia.json
@@ -6,14 +6,17 @@
                 "os=Linux"
             ],
             "gclient_variables": {
-                "download_android_deps": false
+                "download_android_deps": false,
+                "use_rbe": true
             },
             "gn": [
                 "--fuchsia",
                 "--fuchsia-cpu",
                 "arm64",
                 "--runtime-mode",
-                "profile"
+                "profile",
+                "--rbe",
+                "--no-goma"
             ],
             "name": "fuchsia_profile_arm64",
             "ninja": {
@@ -32,7 +35,8 @@
             ],
             "gclient_variables": {
                 "download_android_deps": false,
-                "run_fuchsia_emu": true
+                "run_fuchsia_emu": true,
+                "use_rbe": true
             },
             "gn": [
                 "--fuchsia",
@@ -40,7 +44,9 @@
                 "arm64",
                 "--runtime-mode",
                 "profile",
-                "--no-lto"
+                "--no-lto",
+                "--rbe",
+                "--no-goma"
             ],
             "name": "fuchsia_profile_arm64_tester",
             "ninja": {
@@ -69,14 +75,17 @@
                 "os=Linux"
             ],
             "gclient_variables": {
-                "download_android_deps": false
+                "download_android_deps": false,
+                "use_rbe": true
             },
             "gn": [
                 "--fuchsia",
                 "--fuchsia-cpu",
                 "arm64",
                 "--runtime-mode",
-                "release"
+                "release",
+                "--rbe",
+                "--no-goma"
             ],
             "name": "fuchsia_release_arm64",
             "ninja": {
@@ -95,7 +104,8 @@
             ],
             "gclient_variables": {
                 "download_android_deps": false,
-                "run_fuchsia_emu": true
+                "run_fuchsia_emu": true,
+                "use_rbe": true
             },
             "gn": [
                 "--fuchsia",
@@ -103,7 +113,9 @@
                 "arm64",
                 "--runtime-mode",
                 "release",
-                "--no-lto"
+                "--no-lto",
+                "--rbe",
+                "--no-goma"
             ],
             "name": "fuchsia_release_arm64_tester",
             "ninja": {
@@ -132,7 +144,8 @@
                 "os=Linux"
             ],
             "gclient_variables": {
-                "download_android_deps": false
+                "download_android_deps": false,
+                "use_rbe": true
             },
             "gn": [
                 "--fuchsia",
@@ -140,7 +153,9 @@
                 "arm64",
                 "--runtime-mode",
                 "debug",
-                "--no-lto"
+                "--no-lto",
+                "--rbe",
+                "--no-goma"
             ],
             "name": "fuchsia_debug_arm64",
             "ninja": {
@@ -174,7 +189,8 @@
             ],
             "gclient_variables": {
                 "download_android_deps": false,
-                "run_fuchsia_emu": true
+                "run_fuchsia_emu": true,
+                "use_rbe": true
             },
             "gn": [
                 "--fuchsia",
@@ -182,7 +198,9 @@
                 "arm64",
                 "--runtime-mode",
                 "debug",
-                "--no-lto"
+                "--no-lto",
+                "--rbe",
+                "--no-goma"
             ],
             "name": "fuchsia_debug_arm64_tester",
             "ninja": {
@@ -211,14 +229,17 @@
                 "os=Linux"
             ],
             "gclient_variables": {
-                "download_android_deps": false
+                "download_android_deps": false,
+                "use_rbe": true
             },
             "gn": [
                 "--fuchsia",
                 "--fuchsia-cpu",
                 "x64",
                 "--runtime-mode",
-                "profile"
+                "profile",
+                "--rbe",
+                "--no-goma"
             ],
             "name": "fuchsia_profile_x64",
             "ninja": {
@@ -237,7 +258,8 @@
             ],
             "gclient_variables": {
                 "download_android_deps": false,
-                "run_fuchsia_emu": true
+                "run_fuchsia_emu": true,
+                "use_rbe": true
             },
             "gn": [
                 "--fuchsia",
@@ -245,7 +267,9 @@
                 "x64",
                 "--runtime-mode",
                 "profile",
-                "--no-lto"
+                "--no-lto",
+                "--rbe",
+                "--no-goma"
             ],
             "name": "fuchsia_profile_x64_tester",
             "ninja": {
@@ -275,14 +299,17 @@
             ],
             "gclient_variables": {
                 "download_android_deps": false,
-                "run_fuchsia_emu": true
+                "run_fuchsia_emu": true,
+                "use_rbe": true
             },
             "gn": [
                 "--fuchsia",
                 "--fuchsia-cpu",
                 "x64",
                 "--runtime-mode",
-                "release"
+                "release",
+                "--rbe",
+                "--no-goma"
             ],
             "name": "fuchsia_release_x64",
             "ninja": {
@@ -301,7 +328,8 @@
             ],
             "gclient_variables": {
                 "download_android_deps": false,
-                "run_fuchsia_emu": true
+                "run_fuchsia_emu": true,
+                "use_rbe": true
             },
             "gn": [
                 "--fuchsia",
@@ -309,7 +337,9 @@
                 "x64",
                 "--runtime-mode",
                 "release",
-                "--no-lto"
+                "--no-lto",
+                "--rbe",
+                "--no-goma"
             ],
             "name": "fuchsia_release_x64_tester",
             "ninja": {
@@ -339,7 +369,8 @@
             ],
             "gclient_variables": {
                 "download_android_deps": false,
-                "run_fuchsia_emu": true
+                "run_fuchsia_emu": true,
+                "use_rbe": true
             },
             "gn": [
                 "--fuchsia",
@@ -347,7 +378,9 @@
                 "x64",
                 "--runtime-mode",
                 "debug",
-                "--no-lto"
+                "--no-lto",
+                "--rbe",
+                "--no-goma"
             ],
             "name": "fuchsia_debug_x64",
             "ninja": {
@@ -381,7 +414,8 @@
             ],
             "gclient_variables": {
                 "download_android_deps": false,
-                "run_fuchsia_emu": true
+                "run_fuchsia_emu": true,
+                "use_rbe": true
             },
             "gn": [
                 "--fuchsia",
@@ -389,7 +423,9 @@
                 "x64",
                 "--runtime-mode",
                 "debug",
-                "--no-lto"
+                "--no-lto",
+                "--rbe",
+                "--no-goma"
             ],
             "name": "fuchsia_debug_x64_tester",
             "ninja": {