Add method runner instrumentation

This can be used to run single static methods for setup and inspecting the app
state.

Test
Ran GoogleContactsTests

Change-Id: I132a7e9dc8f2ee2e14b8a1c583f3d5236ab548ce
diff --git a/tests/AndroidManifest.xml b/tests/AndroidManifest.xml
index 6f50aab..472ee1c 100644
--- a/tests/AndroidManifest.xml
+++ b/tests/AndroidManifest.xml
@@ -98,14 +98,15 @@
         android:label="Contacts app tests">
     </instrumentation>
 
-    <instrumentation android:name="android.support.test.runner.AndroidJUnitRunner"
-        android:targetPackage="com.android.contacts"
-        android:label="Contacts app tests">
-    </instrumentation>
-
     <instrumentation android:name="com.android.contacts.ContactsLaunchPerformance"
         android:targetPackage="com.android.contacts"
         android:label="Contacts launch performance">
     </instrumentation>
 
+    <instrumentation
+        android:name="com.android.contacts.RunMethodInstrumentation"
+        android:targetPackage="com.android.contacts"
+        android:label="Run Contacts Method">
+    </instrumentation>
+
 </manifest>