Add back check that ignores help messages

This was removed by mistake in a previous CL

Fixes: 277903303
Test: manually verified
Change-Id: Iacb8321d2e5aa4671c3f51db259a90120c592c87

packages/SystemUI/src/com/android/keyguard/KeyguardUpdateMonitor.java

@@ -1259,6 +1259,9 @@ public class KeyguardUpdateMonitor implements TrustManager.TrustListener, Dumpab
      * for bridging the gap while the migration is active.
      */
     private void handleFaceHelp(int msgId, String helpString) {
+        if (mFaceAcquiredInfoIgnoreList.contains(msgId)) {
+            return;
+        }
         Assert.isMainThread();
         mLogger.logFaceAuthHelpMsg(msgId, helpString);
         for (int i = 0; i < mCallbacks.size(); i++) {