Add SimonVT's android-menudrawer. This will be used in the menu interface for Dolphin Android.

Externals/android-menudrawer/samples/res/layout/activity_viewpagersample.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.v4.view.ViewPager xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/view_pager"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"/>