tools/roll_deps:  add '-m tryserver.chromium' to git-cl-try

R=rmistry@google.com

Author: halcanary@google.com

Review URL: https://codereview.chromium.org/200203003

git-svn-id: http://skia.googlecode.com/svn/trunk@13804 2bbb7eff-a529-9590-31e7-b0007b416f81
1 file changed