Remove hiddenapi-blacklist.txt

Create an empty file in the build rule instead. Do not merged this
beyond AOSP. We have an implicitly built blacklist everywhere else.

Bug: 64382372
Test: make
Change-Id: I4e13e5daf635934a152d389a95bf45c482b5a87f
Merged-In: Ifa912f8751025b7de24a982a1a227a9c27d18267

Android.mk

@@ -589,11 +589,13 @@ include $(BUILD_HOST_JAVA_LIBRARY)
 # rules for building them. Other rules in the build system should depend on the
 # files in the build folder.
 
-$(eval $(call copy-one-file,frameworks/base/config/hiddenapi-blacklist.txt,\
-                            $(INTERNAL_PLATFORM_HIDDENAPI_BLACKLIST)))
 $(eval $(call copy-one-file,frameworks/base/config/hiddenapi-dark-greylist.txt,\
                             $(INTERNAL_PLATFORM_HIDDENAPI_DARK_GREYLIST)))
 
+$(INTERNAL_PLATFORM_HIDDENAPI_BLACKLIST):
+	rm -f $@
+	touch $@
+
 # Generate light greylist as private API minus (blacklist plus dark greylist).
 
 $(INTERNAL_PLATFORM_HIDDENAPI_LIGHT_GREYLIST): PRIVATE_API := $(INTERNAL_PLATFORM_PRIVATE_DEX_API_FILE)