Enforce DDC lints

Add the --fatal-lints flag so that lints will fail on the bots.

Change-Id: I25e1dab6de9a0cc92d2e9437bef2582f35891352
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/103160
Reviewed-by: Vijay Menon <vsm@google.com>
Commit-Queue: Nate Bosch <nbosch@google.com>
diff --git a/tools/bots/test_matrix.json b/tools/bots/test_matrix.json
index 4fcba4c..b9af47b 100644
--- a/tools/bots/test_matrix.json
+++ b/tools/bots/test_matrix.json
@@ -1637,7 +1637,7 @@
         {
           "name": "analyze pkg/dev_compiler",
           "script": "out/ReleaseX64/dart-sdk/bin/dartanalyzer",
-          "arguments": ["--fatal-warnings", "pkg/dev_compiler"]
+          "arguments": ["--fatal-warnings", "--fatal-lints", "pkg/dev_compiler"]
         },
         {
           "name": "analyze pkg/expect",