[Android] Incorporate findbugs into android builds.

android_webview/javatests/src/org/chromium/android_webview/test/PostMessageTest.java

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.android_webview.test;
 
 import android.os.Build;
 import android.os.Handler;
 import android.test.suitebuilder.annotation.SmallTest;
 import android.webkit.JavascriptInterface;
 
 import static org.chromium.base.test.util.ScalableTimeout.scaleTimeout;
 import static org.chromium.content.browser.test.util.TestCallbackHelperContainer.OnPageFinishedHelper;
 
 import org.chromium.android_webview.AwContents;
 import org.chromium.android_webview.AwMessagePort;
 import org.chromium.android_webview.AwMessagePortService;
 import org.chromium.android_webview.test.util.CommonResources;
 import org.chromium.base.ThreadUtils;
+import org.chromium.base.annotations.SuppressFBWarnings;
 import org.chromium.base.test.util.DisabledTest;
 import org.chromium.base.test.util.Feature;
 import org.chromium.base.test.util.MinAndroidSdkLevel;
 import org.chromium.content.browser.test.util.Criteria;
 import org.chromium.content.browser.test.util.CriteriaHelper;
 import org.chromium.net.test.util.TestWebServer;
 
 import java.util.concurrent.Callable;
 import java.util.concurrent.CountDownLatch;
 
 /**
  * The tests for content postMessage API.
  */
 @MinAndroidSdkLevel(Build.VERSION_CODES.KITKAT)
+@SuppressFBWarnings("DLS_DEAD_LOCAL_STORE")
 public class PostMessageTest extends AwTestBase {
 
     private static final String SOURCE_ORIGIN = "";
     // Timeout to failure, in milliseconds
     private static final long TIMEOUT = scaleTimeout(5000);
 
     // Inject to the page to verify received messages.
     private static class MessageObject {
         private boolean mReady;
         private String mData;
@@ skipping 1053 matching lines @@
                     }
                 }, null);
                 mAwContents.postMessageToFrame(null, WEBVIEW_MESSAGE, mWebServer.getBaseUrl(),
                         new AwMessagePort[] {channel[1]});
             }
         });
         channelContainer.waitForMessage();
         assertEquals("12", channelContainer.getMessage());
     }
 }