Merge "Fix RenderThread setForLooper"

libs/hwui/Android.bp

@@ -318,6 +318,7 @@ cc_test {
         "tests/unit/RenderNodeDrawableTests.cpp",
         "tests/unit/RenderNodeTests.cpp",
         "tests/unit/RenderPropertiesTests.cpp",
+        "tests/unit/RenderThreadTests.cpp",
         "tests/unit/ShaderCacheTests.cpp",
         "tests/unit/SkiaBehaviorTests.cpp",
         "tests/unit/SkiaDisplayListTests.cpp",

libs/hwui/renderthread/RenderThread.cpp

@@ -346,6 +346,7 @@ void RenderThread::requestVsync() {
 
 bool RenderThread::threadLoop() {
     setpriority(PRIO_PROCESS, 0, PRIORITY_DISPLAY);
+    Looper::setForThread(mLooper);
     if (gOnStartHook) {
         gOnStartHook("RenderThread");
     }

libs/hwui/tests/unit/RenderThreadTests.cpp

@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <gtest/gtest.h>
+
+#include "tests/common/TestUtils.h"
+#include <utils/Looper.h>
+
+using namespace android;
+using namespace android::uirenderer;
+using namespace android::uirenderer::renderthread;
+
+RENDERTHREAD_TEST(RenderThread, isLooper) {
+    ASSERT_TRUE(Looper::getForThread() != nullptr);
+}
+