Convert installer_util_unittests to run exclusively on Swarming

Convert installer_util_unittests to run exclusively on Swarming

0 configs already ran on Swarming
7 used to run locally and were converted:
- chromium.fyi.json: CrWinAsan tester
- chromium.fyi.json: CrWinAsan(dll) tester
- chromium.win.json: Vista Tests (1)
- chromium.win.json: Win 7 Tests x64 (1)
- chromium.win.json: Win7 Tests (1)
- chromium.win.json: Win7 Tests (dbg)(1)
- chromium.win.json: XP Tests (1)

Ran:
  ./manage.py --convert installer_util_unittests

R=thakis@chromium.org
BUG=98637
Committed: https://crrev.com/d56aeda10229d77ed2d72fc2d863b7be73a93286
Cr-Commit-Position: refs/heads/master@{#338449}

[M-A Ruel, 2015-07-03 20:49:34]

Tested locally on Win7. It's possible that it fails on Vista x64 due to missing
wow_helper but I prefer to try without and will add it only if needed.

[Nico, 2015-07-03 21:17:40]

lgtm if the trybots like it

[grt (UTC plus 2), 2015-07-04 01:25:17]

<fingers crossed>

[M-A Ruel, 2015-07-11 19:53:49]

The CQ bit was checked by maruel@chromium.org

[M-A Ruel, 2015-07-11 19:53:49]

The patchset sent to the CQ was uploaded after l-g-t-m from thakis@chromium.org
Link to the patchset: https://codereview.chromium.org/1220833004/#ps20001
(title: "Rebase")

[commit-bot: I haz the power, 2015-07-11 19:53:53]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1220833004/20001

[commit-bot: I haz the power, 2015-07-11 20:34:00]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-07-11 20:34:01]

Try jobs failed on following builders:
  linux_chromium_chromeos_rel_ng on tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)

[M-A Ruel, 2015-07-11 20:42:34]

The CQ bit was checked by maruel@chromium.org

[commit-bot: I haz the power, 2015-07-11 20:42:46]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1220833004/20001

[commit-bot: I haz the power, 2015-07-11 22:22:13]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-07-11 22:22:13]

Try jobs failed on following builders:
  linux_android_rel_ng on tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_android_r...)

[M-A Ruel, 2015-07-11 22:58:57]

The CQ bit was checked by maruel@chromium.org

[commit-bot: I haz the power, 2015-07-11 22:59:00]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1220833004/20001

[commit-bot: I haz the power, 2015-07-12 00:05:39]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-07-12 00:06:27]

Patchset 2 (id:??) landed as
https://crrev.com/d56aeda10229d77ed2d72fc2d863b7be73a93286
Cr-Commit-Position: refs/heads/master@{#338449}