Configure code coverage filter.

Bug: 28269038
Change-Id: Iaa0c56812d3f178a70ff2a28adeb146ae92c4eec
diff --git a/Android.mk b/Android.mk
index 9259ff3..36f98ad 100644
--- a/Android.mk
+++ b/Android.mk
@@ -52,6 +52,8 @@
 LOCAL_CERTIFICATE := platform
 LOCAL_PRIVILEGED_MODULE := true
 
+LOCAL_JACK_COVERAGE_INCLUDE_FILTER := com.android.emergency.*
+
 include $(BUILD_PACKAGE)
 
 include $(call all-makefiles-under,$(LOCAL_PATH))