Add measurement API to DefaultContainerService

System applications that don't have "media_rw" access need some way to
measure the size of directories on the SD card and other internal media.
Add this API to DefaultContainerService so they can simply bind to the
service and make an RPC.

Bug: 3203974
Change-Id: I4e1bcd7a1b702b156c011ecc04f6915022cb258a
diff --git a/packages/DefaultContainerService/Android.mk b/packages/DefaultContainerService/Android.mk
index 2f1d6ab..986b6c8 100755
--- a/packages/DefaultContainerService/Android.mk
+++ b/packages/DefaultContainerService/Android.mk
@@ -7,6 +7,10 @@
 
 LOCAL_PACKAGE_NAME := DefaultContainerService
 
+LOCAL_JNI_SHARED_LIBRARIES := libdefcontainer_jni
+
 LOCAL_CERTIFICATE := platform
 
 include $(BUILD_PACKAGE)
+
+include $(call all-makefiles-under,$(LOCAL_PATH))