Regenerate bitmaps before each draw in tilemodes_npot GM

R=robertphillips@google.com

Review URL: https://codereview.chromium.org/22415004

git-svn-id: http://skia.googlecode.com/svn/trunk@10586 2bbb7eff-a529-9590-31e7-b0007b416f81
1 file changed