Roll swarming_client @ f9538eebbc82bdfed4768cde388c8ae8a1ac3209.

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=

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=247999

[M-A Ruel, 2014-01-27 20:52:54]

This CL depends on https://codereview.appspot.com/52050044 which depends on the
TS being restarted. Sending in advance so I can commit quickly tomorrow to keep
the canary green. The canary will be broken in the window between 52050044 is
committed but not this one.

[Vadim Sh., 2014-01-27 20:55:34]

lgtm

[commit-bot: I haz the power, 2014-01-30 15:47:22]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/maruel@chromium.org/131503009/20001

[commit-bot: I haz the power, 2014-01-30 17:31:34]

Retried try job too often on win_rel for step(s) telemetry_perf_unittests
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=win_rel&nu...

[commit-bot: I haz the power, 2014-01-30 17:31:42]

CQ bit was unchecked on CL. Ignoring.

[commit-bot: I haz the power, 2014-01-30 17:32:36]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/maruel@chromium.org/131503009/20001

[commit-bot: I haz the power, 2014-01-30 18:16:06]

CQ bit was unchecked on CL. Ignoring.

[commit-bot: I haz the power, 2014-01-30 18:20:22]

CQ bit was unchecked on CL. Ignoring.

[M-A Ruel, 2014-01-30 18:20:28]

Committed patchset #2 manually as r247999 (presubmit successful).

[commit-bot: I haz the power, 2014-01-30 18:20:28]

CQ bit was unchecked on CL. Ignoring.