Report patch_url also for buildStarted, stepStarted and stepFinished events
Report patch_url also for buildStarted, stepStarted and stepFinished events

R=sergeyberezin@chromium.org
BUG=596226, 538195

Review URL: https://codereview.chromium.org/1834763002

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@299483 0039d316-1c4b-4281-b951-d872f2087c98

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