Revert "Update Android Apps to use gradle"

platform_tools/android/app/AndroidManifest.xml

 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
       package="com.skia"
       android:versionCode="1"
       android:versionName="1.0">
     <uses-sdk android:minSdkVersion="14" />
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.ACCESS_ALL_EXTERNAL_STORAGE" />
     <!-- Needed to add to the download manager. -->
     <uses-permission android:name="android.permission.INTERNET" />
     <application android:label="SkiaAndroid">
         <activity android:name=".SkiaSampleActivity"
                   android:theme="@android:style/Theme.Holo.Light"
                   android:configChanges="orientation|screenSize"
                   android:label="@string/app_name">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
     </application>
 </manifest>