Add test config for Contacts

Allows running `atest ContactsTests` and its variants assuming
com.android.contacts is already installed

Test: atest ContactsTests
Bug: 142947789
Fixes: 142946168
Change-Id: I35287655889360d4f9f0ebc6a1eae26d3c6ce5f7
diff --git a/tests/Android.bp b/tests/Android.bp
index 7754fd4..2e1d47b 100644
--- a/tests/Android.bp
+++ b/tests/Android.bp
@@ -22,4 +22,6 @@
         "android.test.base.stubs",
         "android.test.mock.stubs",
     ],
+
+    test_suites: ["general-tests"],
 }