Merge "Use ActivityTestRule as a Rule" into udc-dev

import com.android.internal.content.ReferrerIntent;

import org.junit.After;

import org.junit.Rule;

import org.junit.Test;

import org.junit.runner.RunWith;

    // few sequence numbers the framework used to launch the test activity.

    private static final int BASE_SEQ = 10000;

    private final ActivityTestRule<TestActivity> mActivityTestRule =

    @Rule

    public final ActivityTestRule<TestActivity> mActivityTestRule =

            new ActivityTestRule<>(TestActivity.class, true /* initialTouchMode */,

                    false /* launchActivity */);