Update Android Apps to use gradle

platform_tools/android/visualbench/src/com/skia/VisualBenchActivity.java

-/*
- * Copyright 2015 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-package com.skia;
-
-import android.app.Activity;
-import android.content.Intent;
-import android.os.Bundle;
-import android.provider.Settings;
-import android.util.Log;
-import android.view.View;
-import android.view.WindowManager;
-
-public class VisualBenchActivity extends android.app.NativeActivity {
-    static {
-        System.loadLibrary("skia_android");
-    }
-    
-    @Override
-    public void onCreate(Bundle savedInstanceState) 
-    {
-        super.onCreate(savedInstanceState);
-      
-        // Setup a bunch of window parameters.  We have to do this here to prevent our backend from
-        // getting spurious term / init messages when we relayout
-      
-        // Layout fullscreen and keep screen on
-        getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN |
-                             WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
-        
-        getWindow().getDecorView().setSystemUiVisibility(
-              View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | // hide nav bar
-              View.SYSTEM_UI_FLAG_FULLSCREEN |// hide status bar
-              View.SYSTEM_UI_FLAG_IMMERSIVE);
-        
-        // Disable backlight to keep the system as cool as possible
-        // TODO make this configurable
-        Settings.System.putInt(getContentResolver(), Settings.System.SCREEN_BRIGHTNESS_MODE,
-                                                     Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL);
-        
-        WindowManager.LayoutParams lp = getWindow().getAttributes();
-        lp.screenBrightness = 0; // 0f - no backlight
-        getWindow().setAttributes(lp);
-    }
-}