Replace deprecated Android java test annotations

chrome/android/javatests/src/org/chromium/chrome/browser/WebShareTest.java

 // Copyright 2016 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.chrome.browser;
 
 import android.content.Context;
 import android.content.Intent;
 import android.os.Build;
+import android.support.test.filters.MediumTest;
 import android.support.v7.app.AlertDialog;
-import android.test.suitebuilder.annotation.MediumTest;
 
 import org.chromium.base.test.util.CallbackHelper;
 import org.chromium.base.test.util.CommandLineFlags;
 import org.chromium.base.test.util.Feature;
 import org.chromium.chrome.browser.share.ShareHelper;
 import org.chromium.chrome.browser.tab.EmptyTabObserver;
 import org.chromium.chrome.browser.tab.Tab;
 import org.chromium.chrome.test.ChromeActivityTestCaseBase;
 import org.chromium.net.test.EmbeddedTestServer;
 
@@ skipping 260 matching lines @@
         assertTrue(mReceivedIntent.hasExtra(Intent.EXTRA_TEXT));
         assertEquals("Test Text https://test.url/",
                      mReceivedIntent.getStringExtra(Intent.EXTRA_TEXT));
     }
 
     @Override
     public void startMainActivity() throws InterruptedException {
         startMainActivityOnBlankPage();
     }
 }