Merge "Fix errorprone warnings that should be errors" am: ea4d7833fb am: 2eca2e750b am: 6b5ac19aed

Original change: https://android-review.googlesource.com/c/platform/external/antlr/+/2256447

Change-Id: Ib3f948ae7cb6c7a671a7ab8db4f727179048af6a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/Android.bp b/Android.bp
index d4a1660..18bd40a 100644
--- a/Android.bp
+++ b/Android.bp
@@ -53,6 +53,9 @@
     //Remove DOTTreeGenerator.java, so that we don't have the StringTemplate library as a dependency
     exclude_srcs: ["runtime/Java/src/main/java/org/antlr/runtime/tree/DOTTreeGenerator.java"],
     errorprone: {
-        javacflags: ["-Xep:MissingOverride:OFF"],  // b/73499927
+        javacflags: [
+            "-Xep:MissingOverride:OFF", // b/73499927
+            "-Xep:EqualsHashCode:WARN",
+        ],
     },
 }