Update .DEPS.git

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@234793 0039d316-1c4b-4281-b951-d872f2087c98
Android: a couple of fixes for perf tests.

Part of integrating build/android/test_runner.py perf with chromium.perf:
- The bots are failing since they can't find adb, use the named constant.
- Set the cwd as necessary (the buildbots run one level up from src/)

BUG=318369
TBR=frankf@chromium.org,tonyg@chromium.org
NOTRY=True

Review URL: https://codereview.chromium.org/67933003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@234794 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 234794