Add the --workspace flag to deps2git.
Add the --workspace flag to deps2git.

That will make deps2git only translate platform-appropriate
DEPS entries.

R=hinoka@google.com, hinoka@chromium.org, iannucci@chromium.org
BUG=

Review URL: https://codereview.chromium.org/641873002

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@292375 0039d316-1c4b-4281-b951-d872f2087c98

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