Roll swarming_client @ f9538eebbc82bdfed4768cde388c8ae8a1ac3209.

This split the commands 'archive' and 'hashtable'. Now only 'archive' is
supported with ninja. This command only supports --isolate-server, so change
isolate.gypi accordingly. Remove support for test_isolation_outdir=='', it
doesn't make sense.

$ git log b39e8cf08..f9538eebbc --date=short --format="%ad %ae %s" | sed 's/@chromium\.org//'
2014-01-30 maruel isolate.py: split commands hashtable and archive so each have different behavior
2014-01-24 kmg Default to env vars for swarming.py server URLs
2014-01-23 maruel Fix tools/run_swarm_tests_on_swarm.py to run at all.
2014-01-23 maruel No need for me in WATCHLISTS.

R=vadimsh@chromium.org
BUG=

Review URL: https://codereview.chromium.org/131503009

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@247999 0039d316-1c4b-4281-b951-d872f2087c98
Update .DEPS.git

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@248000 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 248000