[automerge] *ServiceStartNotAllowedException shouldn't have a "cause" 2p: d4396b9a9d

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/16682150

Bug: 210890426
Change-Id: I6d86fd848e337e17536284dee95f628094073c89

core/java/android/app/ServiceStartNotAllowedException.java

@@ -40,4 +40,11 @@ public abstract class ServiceStartNotAllowedException extends IllegalStateExcept
             return new BackgroundServiceStartNotAllowedException(message);
         }
     }
+
+    @Override
+    public synchronized Throwable getCause() {
+        // "Cause" is often used for clustering exceptions, and developers don't want to have it
+        // for this exception. b/210890426
+        return null;
+    }
 }