Move Android metrics files into a /metrics/ subfolder/package.

chrome/android/java/src/org/chromium/chrome/browser/appmenu/AppMenuDragHelper.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.chrome.browser.appmenu;
 
 import android.animation.TimeAnimator;
 import android.annotation.SuppressLint;
 import android.app.Activity;
 import android.content.res.Resources;
 import android.graphics.Rect;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewConfiguration;
 import android.widget.ImageButton;
 import android.widget.LinearLayout;
 import android.widget.ListPopupWindow;
 import android.widget.ListView;
 
 import org.chromium.chrome.R;
-import org.chromium.chrome.browser.UmaBridge;
+import org.chromium.chrome.browser.metrics.UmaBridge;
 
 import java.util.ArrayList;
 
 /**
  * Handles the drag touch events on AppMenu that start from the menu button.
  *
  * Lint suppression for NewApi is added because we are using TimeAnimator class that was marked
  * hidden in API 16.
  */
 @SuppressLint("NewApi")
@@ skipping 244 matching lines @@
      */
     private Rect getScreenVisibleRect(View view) {
         view.getLocalVisibleRect(mScreenVisibleRect);
         view.getLocationOnScreen(mScreenVisiblePoint);
         mScreenVisibleRect.offset(mScreenVisiblePoint[0], mScreenVisiblePoint[1]);
         return mScreenVisibleRect;
     }
 
     private static native void nativeRecordAppMenuTouchDuration(long timeMs);
 }