Merge "Revert "Clear main looper before VolumeDialogImplTest"" into udc-qpr-dev am: b2f64cbc

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24819732



Change-Id: Iaa7f347b469ae1e9259bdaff4837cfd862557be4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

packages/SystemUI/tests/src/com/android/systemui/volume/VolumeDialogImplTest.java

@@ -41,7 +41,6 @@ import static org.mockito.Mockito.when;
 import android.app.KeyguardManager;
 import android.content.res.Configuration;
 import android.media.AudioManager;
-import android.os.Handler;
 import android.os.SystemClock;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
@@ -147,10 +146,6 @@ public class VolumeDialogImplTest extends SysuiTestCase {
         mTestableLooper = TestableLooper.get(this);
         allowTestableLooperAsMainThread();
 
-        // Ensure previous tests have not left messages on main looper
-        Handler localHandler = new Handler(mTestableLooper.getLooper());
-        localHandler.removeCallbacksAndMessages(null);
-
         when(mPostureController.getDevicePosture())
                 .thenReturn(DevicePostureController.DEVICE_POSTURE_CLOSED);