Dist classes.jar with full class files inside

Instead of the final jar with classes.dex inside.

Change-Id: I2bc7eb6faedf328a93a6e2eacc4334d87761f597

nfc-extras/Android.mk

@@ -10,5 +10,5 @@ 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, $(LOCAL_BUILT_MODULE):com.android.nfc_extras.jar)
+# put the classes.jar, with full class files instead of classes.dex inside, into the dist directory
+$(call dist-for-goals, droidcore, $(full_classes_jar):com.android.nfc_extras.jar)