Dist com.android.nfc_extras.jar.

Change-Id: I409106d641a3a68ef1c6885b36d226411c8fe356
diff --git a/nfc-extras/Android.mk b/nfc-extras/Android.mk
index 330e2d4..2033508 100644
--- a/nfc-extras/Android.mk
+++ b/nfc-extras/Android.mk
@@ -9,3 +9,6 @@
 LOCAL_MODULE:= com.android.nfc_extras
 
 include $(BUILD_JAVA_LIBRARY)
+
+# put the com.android.nfc_extras.jar into the dist directory
+$(call dist-for-goals, droidcore, $(LOCAL_BUILT_MODULE):com.android.nfc_extras.jar)