atest support for app startup test

Bug :  b/65842123

Test: App launch test config able to build and install this test
apk in the atest.

Change-Id: I040e299b1e1fdafbcc716f2b0b8b32e7b842de20
diff --git a/tests/AppLaunch/Android.mk b/tests/AppLaunch/Android.mk
index 09739e5..917293f 100644
--- a/tests/AppLaunch/Android.mk
+++ b/tests/AppLaunch/Android.mk
@@ -13,6 +13,8 @@
 
 LOCAL_STATIC_JAVA_LIBRARIES := android-support-test
 
+LOCAL_COMPATIBILITY_SUITE := device-tests
+
 include $(BUILD_PACKAGE)
 
 # Use the following include to make our test apk.