Update Android Apps to use gradle

platform_tools/android/app/AndroidManifest.xml

Index: platform_tools/android/app/AndroidManifest.xml
diff --git a/platform_tools/android/app/AndroidManifest.xml b/platform_tools/android/app/AndroidManifest.xml
deleted file mode 100644
index edb0424ba810b620aab387ff391c34b927d89400..0000000000000000000000000000000000000000
--- a/platform_tools/android/app/AndroidManifest.xml
+++ /dev/null
@@ -1,22 +0,0 @@
-<?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>