Add MTS suite config

Bug: 181202911
Test: m mts && mts-tradefed run mts-mediaprovider
Change-Id: I5541ba648385953f2b430c3db3f2617caa9cb28d
diff --git a/tests/client/AndroidTest.xml b/tests/client/AndroidTest.xml
index 22ca7d3..b9c3dfa 100644
--- a/tests/client/AndroidTest.xml
+++ b/tests/client/AndroidTest.xml
@@ -27,4 +27,8 @@
         <option name="runner" value="androidx.test.runner.AndroidJUnitRunner" />
         <option name="hidden-api-checks" value="false"/>
     </test>
+
+    <object type="module_controller" class="com.android.tradefed.testtype.suite.module.MainlineTestModuleController">
+        <option name="mainline-module-package-name" value="com.google.android.mediaprovider" />
+    </object>
 </configuration>