Fix the obsolete vkjson path in gpu services

vkjson is now moved into framework/native/vulkan from external/LVL. Need
to update the path for vkjson headers for gpu service.

Test: adb shell cmd gpu vkjson
Bug: b/77613206
Change-Id: Id32775decf1f210618ac17c7a134f69fdf1737ac
1 file changed