Add test-suite-tag for run-tests.

This will make it easier to identify the tests in GCL files.

Bug: 147812905
Change-Id: I394cd2b34b6549abde4feb8e95fb7fe00c96ab72
diff --git a/test/AndroidTestTemplate.xml b/test/AndroidTestTemplate.xml
index cad7ace..320afa9 100644
--- a/test/AndroidTestTemplate.xml
+++ b/test/AndroidTestTemplate.xml
@@ -15,6 +15,7 @@
 -->
 <!-- Note: This test config for {MODULE} is generated from a template. -->
 <configuration description="Test module config for {MODULE}">
+    <option name="test-suite-tag" value="art-target-run-test" />
     <target_preparer class="com.android.tradefed.targetprep.PushFilePreparer">
         <option name="cleanup" value="true" />
         <!-- TODO: Use option `push-file` instead of deprecated option