Fixed regex for codesite redirection
Fixed regex for codesite redirection

BUG=skia:
TBR=rmistry

Review URL: https://codereview.chromium.org/1463873002

google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot