Android buildbot: Add missing @@@ echo to 'bb_run_unit_tests'

Android buildbot: Add missing @@@ echo to 'bb_run_unit_tests'

Without this, a failure in this function is mistakenly reported
as a failure in the previous bb_xxxxx function called. For example,
see the following link where the failure is reported in
'bb_reboot_phones' when it should not:

http://build.chromium.org/p/chromium.linux/builders/Android%20Tests/builds/23/steps/Rebooting%20phones/logs/stdio

BUG=none
NOTRY=true
TBR=yfriedman@chromium.org,ilevy@chromium.org


Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=173895

[commit-bot: I haz the power, 2012-12-19 10:56:47]

No comments yet.

[Philippe, 2012-12-19 10:57:32]

On 2012/12/19 10:56:47, I haz the power (commit-bot) wrote:
> No comments yet.

lgtm

[commit-bot: I haz the power, 2012-12-19 10:57:49]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/digit@chromium.org/11648009/1

[commit-bot: I haz the power, 2012-12-19 11:07:56]

Change committed as 173895

[digit1, 2012-12-19 12:06:30]

Please disregard Patch set 2, it was mistakenly uploaded to this issue, its
correct location https://chromiumcodereview.appspot.com/11640016/

(and yes, only Patch set 1 was actually submitted).

[Yaron, 2012-12-19 18:21:43]

patchset 1 lgtm