DO NOT MERGE: Fix input event injection ANRs on UI thread.

Added a new asynchronous injection mode and made the existing
synchronization mechanism more robust.

Change-Id: Ia4aa04fd9b75ea2461a844c5b7933c831c1027e6
diff --git a/libs/ui/InputManager.cpp b/libs/ui/InputManager.cpp
index bf23479..ed4f07b 100644
--- a/libs/ui/InputManager.cpp
+++ b/libs/ui/InputManager.cpp
@@ -81,8 +81,8 @@
 }
 
 int32_t InputManager::injectInputEvent(const InputEvent* event,
-        int32_t injectorPid, int32_t injectorUid, bool sync, int32_t timeoutMillis) {
-    return mDispatcher->injectInputEvent(event, injectorPid, injectorUid, sync, timeoutMillis);
+        int32_t injectorPid, int32_t injectorUid, int32_t syncMode, int32_t timeoutMillis) {
+    return mDispatcher->injectInputEvent(event, injectorPid, injectorUid, syncMode, timeoutMillis);
 }
 
 void InputManager::preemptInputDispatch() {