DefaultContainerService's JNI library is required

Change from LOCAL_JNI_SHARED_LIBRARIES to LOCAL_REQUIRED_MODULES to make
sure the JNI library is built and included when DefaultContainerService
is built.

Change-Id: I322c72415237c2b70bff345d50e2a9e4f2e6d988
diff --git a/packages/DefaultContainerService/Android.mk b/packages/DefaultContainerService/Android.mk
index 986b6c8..56b8005 100755
--- a/packages/DefaultContainerService/Android.mk
+++ b/packages/DefaultContainerService/Android.mk
@@ -7,7 +7,7 @@
 
 LOCAL_PACKAGE_NAME := DefaultContainerService
 
-LOCAL_JNI_SHARED_LIBRARIES := libdefcontainer_jni
+LOCAL_REQUIRED_MODULES := libdefcontainer_jni
 
 LOCAL_CERTIFICATE := platform