Fix issue in image decoders where the bitmap config was not properly set.

R=scroggo@google.com

Review URL: https://codereview.chromium.org/167763003

git-svn-id: http://skia.googlecode.com/svn/trunk@13503 2bbb7eff-a529-9590-31e7-b0007b416f81
2 files changed