Replace deprecated Android java test annotations

chrome/android/javatests/src/org/chromium/chrome/browser/webapps/WebappSplashScreenHomescreenIconTest.java

 // Copyright 2015 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.webapps;
 
 import android.content.Intent;
 import android.graphics.Bitmap;
 import android.graphics.drawable.BitmapDrawable;
-import android.test.suitebuilder.annotation.SmallTest;
+import android.support.test.filters.SmallTest;
 import android.view.ViewGroup;
 import android.widget.ImageView;
 
 import org.chromium.base.metrics.RecordHistogram;
 import org.chromium.base.test.util.Feature;
 import org.chromium.base.test.util.RetryOnFailure;
 import org.chromium.chrome.R;
 import org.chromium.chrome.browser.ShortcutHelper;
 import org.chromium.chrome.browser.metrics.WebappUma;
 
@@ skipping 34 matching lines @@
                 WebappUma.HISTOGRAM_SPLASHSCREEN_ICON_TYPE,
                 WebappUma.SPLASHSCREEN_ICON_TYPE_FALLBACK));
 
         Bitmap icon = ShortcutHelper.decodeBitmapFromString(TEST_ICON);
         int sizeInDp = Math.round((float) icon.getWidth()
                 / getActivity().getResources().getDisplayMetrics().density);
         assertEquals(1, RecordHistogram.getHistogramValueCountForTesting(
                 WebappUma.HISTOGRAM_SPLASHSCREEN_ICON_SIZE, sizeInDp));
     }
 }