Add better error messages to the webkit_tests step in the android buildbot code.

Add better error messages to the webkit_tests step in the android buildbot code.

R=ilevy@google.com, ilevy@chromium.org, peter@chromium.org
BUG=

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=229193

[Isaac (use chromium), 2013-10-17 02:57:48]

lgtm

[commit-bot: I haz the power, 2013-10-17 17:35:51]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/dpranke@chromium.org/27197012/1

[Dirk Pranke, 2013-10-17 18:57:20]

Committed patchset #1 manually as r229193.

[Dirk Pranke, 2013-10-17 18:58:09]

landed directly ... ilevy lgtm'ed the change, but from the wrong account. I
skipped the try jobs since none of them will actually test this change anyway
...

[commit-bot: I haz the power, 2013-10-17 19:28:55]

Retried try job too often on chromium_presubmit for step(s) presubmit
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=chromium_p...

[Isaac (away), 2013-10-17 20:05:23]

On 2013/10/17 19:28:55, I haz the power (commit-bot) wrote:
> Retried try job too often on chromium_presubmit for step(s) presubmit
>
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=chromium_p...

Sorry about that.

Interestingly, CQ has a mapping of chromium<->google, so a committer LGTM works
from either account.  But not for owners unless both emails are explicitly
listed. le sigh