Allow kwargs to be passed to GerritAgent from try_job_gerrit
Allow kwargs to be passed to GerritAgent from try_job_gerrit

BUG=456212
R=nodir@chromium.org

Review URL: https://codereview.chromium.org/931283002

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@294090 0039d316-1c4b-4281-b951-d872f2087c98

eunchong/build,eunchong/build,eunchong/build,eunchong/build