Generate a test APK

Generates a test APK for use by the Android Continuous Testing
Platform. Ensures that the selected data directory is writable
when running the APK using am instrument.

Bug: 30683723
Change-Id: I8129723f2b78aaa1a41808045e0d38980e8ba206
Test: Use vogar and am instrument as described in Android.mk
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
new file mode 100644
index 0000000..2c88308
--- /dev/null
+++ b/AndroidManifest.xml
@@ -0,0 +1,12 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.google.dexmaker.tests" >
+
+    <application>
+        <uses-library android:name="android.test.runner" />
+    </application>
+
+    <instrumentation android:name="android.support.test.runner.AndroidJUnitRunner"
+                     android:targetPackage="com.google.dexmaker.tests"
+                     android:label="Dexmaker Tests"/>
+
+</manifest>