Fix OverdrawFilter not set on first call to SkDebugCanvas::drawTo()

R=robertphillips@google.com

Author: egraether@chromium.org

Review URL: https://chromiumcodereview.appspot.com/21789005

git-svn-id: http://skia.googlecode.com/svn/trunk@10535 2bbb7eff-a529-9590-31e7-b0007b416f81
1 file changed