Don't proguard FrameworksServicesTests

Test: build, presubmit
Change-Id: Ie4064c6c566c6307f26dfaa47da29eba99b58a76
diff --git a/services/tests/servicestests/Android.mk b/services/tests/servicestests/Android.mk
index fd83223..6d7d4cb 100644
--- a/services/tests/servicestests/Android.mk
+++ b/services/tests/servicestests/Android.mk
@@ -62,6 +62,8 @@
 
 LOCAL_STATIC_JAVA_LIBRARIES += ub-uiautomator
 
+LOCAL_PROGUARD_ENABLED := disabled
+
 include $(BUILD_PACKAGE)
 
 include $(call all-makefiles-under, $(LOCAL_PATH))