Bazel: Increase severity of ImmutableAnnotationChecker to ERROR
Change-Id: I31b03a0b8daeeda52fddc0a4278c1d902bd19c67
diff --git a/tools/BUILD b/tools/BUILD
index 6d15a21..19db90b 100644
--- a/tools/BUILD
+++ b/tools/BUILD
@@ -44,7 +44,7 @@
"-Xep:FunctionalInterfaceClash:ERROR",
"-Xep:FutureReturnValueIgnored:ERROR",
"-Xep:GetClassOnEnum:ERROR",
- "-Xep:ImmutableAnnotationChecker:WARN",
+ "-Xep:ImmutableAnnotationChecker:ERROR",
"-Xep:ImmutableEnumChecker:WARN",
"-Xep:IncompatibleModifiers:ERROR",
"-Xep:InjectOnConstructorOfAbstractClass:ERROR",