telemetry: Don't over-communicate in Android Systrace profiler

telemetry: Don't over-communicate in Android Systrace profiler

This extra call to communicate was added by mistake. Remove it and add a
test.

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=276383

[Dominik Grewe, 2014-06-10 13:37:21]

lgtm

[Sami, 2014-06-10 13:49:36]

The CQ bit was checked by skyostil@chromium.org

[commit-bot: I haz the power, 2014-06-10 13:50:46]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/skyostil@chromium.org/328553007/1

[commit-bot: I haz the power, 2014-06-10 21:24:05]

FYI, CQ is re-trying this CL (attempt #1).
The failing builders are:
  android_dbg_triggered_tests on tryserver.chromium
(http://build.chromium.org/p/tryserver.chromium/builders/android_dbg_triggered...)

[commit-bot: I haz the power, 2014-06-10 21:51:33]

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

[commit-bot: I haz the power, 2014-06-10 21:51:34]

Try jobs failed on following builders:
  android_dbg_triggered_tests on tryserver.chromium
(http://build.chromium.org/p/tryserver.chromium/builders/android_dbg_triggered...)

[Sami, 2014-06-11 10:55:05]

The CQ bit was checked by skyostil@chromium.org

[commit-bot: I haz the power, 2014-06-11 10:56:07]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/skyostil@chromium.org/328553007/1

[commit-bot: I haz the power, 2014-06-11 12:25:28]

FYI, CQ is re-trying this CL (attempt #1).
The failing builders are:
  android_dbg_triggered_tests on tryserver.chromium
(http://build.chromium.org/p/tryserver.chromium/builders/android_dbg_triggered...)

[commit-bot: I haz the power, 2014-06-11 13:42:45]

Change committed as 276383