[infra] Fix testing on Android

* Add adb to vm-kernel fileset.
* Add out directory for Android to fileset.

TBR=whesse@google.com

Change-Id: I95906d6fa5cb06ef53773754dc9c03a1a1bc5146
Reviewed-on: https://dart-review.googlesource.com/c/89240
Reviewed-by: Alexander Thomas <athom@google.com>
diff --git a/tools/bots/test_matrix.json b/tools/bots/test_matrix.json
index 44f3398..08fed60 100644
--- a/tools/bots/test_matrix.json
+++ b/tools/bots/test_matrix.json
@@ -117,6 +117,7 @@
       "out/DebugSIMDBC64/",
       "out/DebugX64/",
       "out/ProductX64/",
+      "out/ReleaseAndroidARM/",
       "out/ReleaseIA32/",
       "out/ReleaseSIMARM/",
       "out/ReleaseSIMARM64/",
@@ -134,6 +135,7 @@
       "samples/",
       "samples-dev/",
       "tools/",
+      "third_party/android_tools/sdk/platform-tools/adb",
       "third_party/gsutil/",
       "third_party/pkg/",
       "third_party/pkg_tested/",