Initial effort toward fixing Suppress tests by integration of Espresso.

Bug: 27533946
Change-Id: I0286ff6d4c53b464180e3100b7219e766ca09de3
diff --git a/tests/AndroidManifest.xml b/tests/AndroidManifest.xml
index b986285..0b76766 100644
--- a/tests/AndroidManifest.xml
+++ b/tests/AndroidManifest.xml
@@ -19,7 +19,7 @@
        </provider>
     </application>
 
-    <instrumentation android:name="android.test.InstrumentationTestRunner"
+    <instrumentation android:name="android.support.test.runner.AndroidJUnitRunner"
         android:targetPackage="com.android.documentsui"
         android:label="Tests for DocumentsUI" />