[android][build] core tests - initial setup for rendering tests

platform/android/src/test/Main.java

@@ -0,0 +1,15 @@
+
+public class Main {
+    public native void runAllTests();
+
+    public static void main(String[] args) throws Exception {
+        //Load the tests
+        System.loadLibrary("mbgl-test");
+
+        //Run the tests
+        new Main().runAllTests();
+
+        //Exit explicitly otherwise dalvikvm won't quit
+        System.exit(0);
+    }
+}