Add test config to init_tests

Details about test configs changes are tracked in doc
https://docs.google.com/document/d/1EWUjJ7fjy8ge_Nk0YQbFdRp8DSHo3z6GU0R8jLgrAcw/edit#

Bug: 35882476
Test: local test
Change-Id: Ia5ee3b99201e399aa880b77c01a84b6f6650607c
diff --git a/init/Android.mk b/init/Android.mk
index b52c949..c65fd72 100644
--- a/init/Android.mk
+++ b/init/Android.mk
@@ -129,6 +129,7 @@
 # =========================================================
 include $(CLEAR_VARS)
 LOCAL_MODULE := init_tests
+LOCAL_COMPATIBILITY_SUITE := device-tests
 LOCAL_SRC_FILES := \
     init_parser_test.cpp \
     property_service_test.cpp \