Fix gn file for moved vulkan file.

Bug: skia:
Change-Id: Ie37416dd4b248a6831b1948bb78cc75a5d5aba81
Reviewed-on: https://skia-review.googlesource.com/c/179997
Commit-Queue: Greg Daniel <egdaniel@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
Auto-Submit: Greg Daniel <egdaniel@google.com>
1 file changed