mark rebaseline.py as deprecated

(SkipBuildbotRuns)
NOTREECHECKS=True
NOTRY=True
R=senorblanco@google.com

Author: epoger@google.com

Review URL: https://codereview.chromium.org/262703003

git-svn-id: http://skia.googlecode.com/svn/trunk@14530 2bbb7eff-a529-9590-31e7-b0007b416f81
1 file changed