Add WmTests to the automotive-tests package

Automotive team is unable to use device-tests package, and is using automotive-tests package
as a smaller replacement
This change only adds the test APK into this package if automotive-tests package is added
to the build target

Change-Id: I226fe814638a350714ad5411d31735f22df58405
Test: manual
Bug: 284663915
diff --git a/services/tests/wmtests/Android.bp b/services/tests/wmtests/Android.bp
index e5371975..5f48f3c 100644
--- a/services/tests/wmtests/Android.bp
+++ b/services/tests/wmtests/Android.bp
@@ -82,7 +82,10 @@
     ],
 
     platform_apis: true,
-    test_suites: ["device-tests"],
+    test_suites: [
+        "device-tests",
+        "automotive-tests",
+    ],
 
     certificate: "platform",