👓 Don't run android_lint() on targets that have only generated files.

build/config/android/internal_rules.gni

Index: build/config/android/internal_rules.gni
diff --git a/build/config/android/internal_rules.gni b/build/config/android/internal_rules.gni
index d0584bd7b50ace14516a73e5f9761217cfa3ee1b..2c5586c802aa6b9141624f75cdcfa73c0aee9677 100644
--- a/build/config/android/internal_rules.gni
+++ b/build/config/android/internal_rules.gni
@@ -1618,7 +1618,9 @@ template("java_library_impl") {
   _run_findbugs = defined(invoker.run_findbugs) && invoker.run_findbugs
   assert(_run_findbugs || true)  # Mark as used.
 
-  _chromium_code = true
+  # Don't enable coverage, lint, findbugs unless the target has some
+  # non-generated files.
+  _chromium_code = defined(invoker.java_files) && invoker.java_files != []
   if (defined(invoker.chromium_code)) {
     _chromium_code = invoker.chromium_code
   }