Only compile the services jar and so when using mmm

Don't build the tests when using "mmm frameworks/base/services"

Change-Id: If1895598381bd0fce0b4d7f5e879f154d8fc44d0
diff --git a/services/Android.mk b/services/Android.mk
index 5531592..80fd35a 100644
--- a/services/Android.mk
+++ b/services/Android.mk
@@ -43,4 +43,7 @@
 
 include $(BUILD_SHARED_LIBRARY)
 
+ifeq (,$(ONE_SHOT_MAKEFILE))
 include $(call all-makefiles-under, $(LOCAL_PATH))
+endif
+