Re-order and remove unused Java imports.

webrtc/examples/androidjunit/src/org/appspot/apprtc/util/LooperExecutorTest.java

 /*
  *  Copyright 2016 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 package org.appspot.apprtc.util;
 
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.verifyNoMoreInteractions;
+import static org.robolectric.Robolectric.shadowOf;
+
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 import org.robolectric.RobolectricTestRunner;
 import org.robolectric.annotation.Config;
 import org.robolectric.shadows.ShadowLooper;
 
-import static org.mockito.Mockito.times;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.verifyNoMoreInteractions;
-import static org.robolectric.Robolectric.shadowOf;
-
 @RunWith(RobolectricTestRunner.class)
 @Config(manifest = Config.NONE)
 public class LooperExecutorTest {
   private final static int RUN_TIMES = 10;
 
   @Mock private Runnable mockRunnable;
   private LooperExecutor executor;
 
   @Before
   public void setUp() {
@@ skipping 75 matching lines @@
     shadowLooper.idle();
   }
 
   /**
    * Get ShadowLooper of the executor thread.
    */
   private ShadowLooper getShadowLooper() {
     return shadowOf(executor.getHandler().getLooper());
   }
 }