Add new GM, shadertext3. It would have revealed a bug in the GPU draw-large-text-as-path code path that was recently fixed.

R=reed@google.com
Review URL: https://codereview.appspot.com/6638057

git-svn-id: http://skia.googlecode.com/svn/trunk@5932 2bbb7eff-a529-9590-31e7-b0007b416f81
2 files changed