Set alpha to 1 when loading gray

Bug: skia:
Change-Id: I74359ecd4fa0dabdb13aa478ae72d5ebd1714966
Reviewed-on: https://skia-review.googlesource.com/152641
Commit-Queue: Brian Osman <brianosman@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>
Auto-Submit: Brian Osman <brianosman@google.com>
Reviewed-by: Mike Klein <mtklein@google.com>
1 file changed