Add buildtools patches to be runnable on chromium trybot.
Add buildtools patches to be runnable on chromium trybot.

TBR=machenbach@chromium.org
BUG=

Review-Url: https://codereview.chromium.org/1936143002

git-svn-id: fd409f4bdeea2bb50a5d34bb4d4bfc2046a5a3dd@300402 0039d316-1c4b-4281-b951-d872f2087c98

primiano/depot_tools,primiano/depot_tools,primiano/depot_tools,CoherentLabs/depot_tools,CoherentLabs/depot_tools