Merge "Improve latency of IME tracing"

core/java/android/inputmethodservice/IInputMethodWrapper.java

@@ -280,7 +280,7 @@ class IInputMethodWrapper extends IInputMethod.Stub
         }
 
         CountDownLatch latch = new CountDownLatch(1);
-        mCaller.executeOrSendMessage(mCaller.obtainMessageOOOO(DO_DUMP,
+        mCaller.getHandler().sendMessageAtFrontOfQueue(mCaller.obtainMessageOOOO(DO_DUMP,
                 fd, fout, args, latch));
         try {
             if (!latch.await(5, TimeUnit.SECONDS)) {

services/core/java/com/android/server/inputmethod/InputMethodManagerService.java

@@ -1713,7 +1713,7 @@ public class InputMethodManagerService extends IInputMethodManager.Stub
                 mSettings, context);
         mMenuController = new InputMethodMenuController(this);
 
-        mTracingThread = new HandlerThread("android.tracing", Process.THREAD_PRIORITY_BACKGROUND);
+        mTracingThread = new HandlerThread("android.tracing", Process.THREAD_PRIORITY_FOREGROUND);
         mTracingThread.start();
     }