Downgrade a WTF to a W

Changes in the flow to this function make this a more
common case that isn't so concerning any more.

Change-Id: Ic582491e7ff03f1ee5196ccf9d75a8ec43af7cd8
Fix: 284235774

libs/WindowManager/Shell/src/com/android/wm/shell/keyguard/KeyguardTransitionHandler.java

@@ -166,7 +166,7 @@ public class KeyguardTransitionHandler implements Transitions.TransitionHandler
                     "unocclude",
                     transition, info, startTransaction, finishTransaction, finishCallback);
         } else {
-            Log.wtf(TAG, "Failed to play: " + info);
+            Log.w(TAG, "Failed to play: " + info);
             return false;
         }
     }