Revert 247956 "Roll trace-viewer DEPS 1091:1112."

This broke check_licenses:

'third_party/trace-viewer/third_party/tvcm/tvcm/test_runner.py' has non-whitelisted license 'UNKNOWN'

> Roll trace-viewer DEPS 1091:1112.
> 
> R=dsinclair@chromium.org
> BUG=280375
> 
> Review URL: https://codereview.chromium.org/132333020

TBR=avallee@chromium.org

Review URL: https://codereview.chromium.org/135403008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@247961 0039d316-1c4b-4281-b951-d872f2087c98
Update .DEPS.git

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@247962 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 247962