Allow any color space when making a picture backed image

Change-Id: Icb6d56f8e88396b5d2c82d61afd7fd633b39e00c
Reviewed-on: https://skia-review.googlesource.com/146528
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