Add MicrodroidTestApp to VTS

MicrodroidCapabilitiesTest now includes an @VsrTest, and so does
MicrodroidTests.

Bug: 252917978
Test: TH
Change-Id: I34bd42b158e02c19b7344b8b8299edcc130f264b
diff --git a/tests/testapk/AndroidTest.xml b/tests/testapk/AndroidTest.xml
index 8a4c367..22cd0dc 100644
--- a/tests/testapk/AndroidTest.xml
+++ b/tests/testapk/AndroidTest.xml
@@ -15,6 +15,7 @@
 -->
 <configuration description="Runs Microdroid device-side tests.">
     <option name="test-suite-tag" value="cts" />
+    <option name="test-suite-tag" value="vts" />
     <option name="config-descriptor:metadata" key="component" value="security" />
     <option name="config-descriptor:metadata" key="parameter" value="not_instant_app" />
     <option name="config-descriptor:metadata" key="parameter" value="not_multi_abi" />