A kinder, gentler adbd restart

A kinder, gentler adbd restart

Background: We restart adbd between runs because we noticed that the
likelyhood of an adbd hang goes up with the length of time the process
has been running.

Killing was just a convenient way to do that, but it isn't the most robust.
The chromium.perf bots are very frequently going offline now and they
always are getting stuck at the point of the adbd restart. So I'm trying
this gentler method of restarting to see if it improves reliability.

BUG=

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=274360

[bulach, 2014-06-02 11:47:50]

lgtm, very cool!!

https://codereview.chromium.org/304053002/diff/20001/build/android/pylib/andr...
File build/android/pylib/android_commands.py (right):

https://codereview.chromium.org/304053002/diff/20001/build/android/pylib/andr...
build/android/pylib/android_commands.py:548: with DeviceTempFile(self,
suffix=".sh") as temp_script_file:
nit: s/"/'/

[tonyg, 2014-06-02 13:56:42]

The CQ bit was checked by tonyg@chromium.org

[commit-bot: I haz the power, 2014-06-02 13:57:23]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/tonyg@chromium.org/304053002/20001

[navabi, 2014-06-02 18:08:28]

lgtm

[commit-bot: I haz the power, 2014-06-02 19:25:53]

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

[commit-bot: I haz the power, 2014-06-02 22:43:09]

Change committed as 274360