Fix the warning about NOTICE files overriding previous targets.

Use a different name for prebuilt libraries based on their LOCAL_MODULE --
they were all colliding using the same name, javalib.jar.  These names
are synthetic, since the libraries don't actually exist on the device
as such.

core/notice_files.mk

@@ -20,12 +20,19 @@ else
     # We can't use xxx_OUT_STATIC_LIBRARIES because it points into
     # device-obj or host-obj.
     module_installed_filename := \
-    	$(patsubst $(PRODUCT_OUT)%,%,$($(my_prefix)OUT_SHARED_LIBRARIES))/$(notdir $(LOCAL_BUILT_MODULE))
+        $(patsubst $(PRODUCT_OUT)%,%,$($(my_prefix)OUT_SHARED_LIBRARIES))/$(notdir $(LOCAL_BUILT_MODULE))
   else
     ifeq ($(LOCAL_MODULE_CLASS),JAVA_LIBRARIES)
       # Stick the static java libraries with the regular java libraries.
+      module_leaf := $(notdir $(LOCAL_BUILT_MODULE))
+      # javalib.jar is the default name for the build module (and isn't meaningful)
+      # If that's what we have, substitute the module name instead.  These files
+      # aren't included on the device, so this name is synthetic anyway.
+      ifeq ($(module_leaf),javalib.jar)
+        module_leaf := $(LOCAL_MODULE).jar
+      endif
       module_installed_filename := \
-	  $(patsubst $(PRODUCT_OUT)%,%,$($(my_prefix)OUT_JAVA_LIBRARIES))/$(notdir $(LOCAL_BUILT_MODULE))
+          $(patsubst $(PRODUCT_OUT)%,%,$($(my_prefix)OUT_JAVA_LIBRARIES))/$(module_leaf)
     else
       $(error Cannot determine where to install NOTICE file for $(LOCAL_MODULE))
     endif # JAVA_LIBRARIES