[Android] Add option to wait for battery temperature to device provisioning

[Android] Add option to wait for battery temperature to device provisioning

If too many tests are run one after another, battery temperatures can become
abnormally high. This gives the device a chance to cool down between runs.

BUG=

Committed: https://crrev.com/7ce719b80a3358f0f930b004fde3c452d1a1c9ec
Cr-Commit-Position: refs/heads/master@{#328716}

[rnephew (Reviews Here), 2015-05-06 18:27:57]

rnephew@chromium.org changed reviewers:
+ jbudorick@chromium.org, perezju@chromium.org

[jbudorick, 2015-05-07 00:07:14]

test?

https://codereview.chromium.org/1126143004/diff/1/build/android/pylib/device/...
File build/android/pylib/device/battery_utils.py (right):

https://codereview.chromium.org/1126143004/diff/1/build/android/pylib/device/...
build/android/pylib/device/battery_utils.py:402: 
nit: log at info level that we're waiting for the device to cool down to X
degrees.

[rnephew (Reviews Here), 2015-05-07 01:40:03]

https://codereview.chromium.org/1126143004/diff/1/build/android/pylib/device/...
File build/android/pylib/device/battery_utils.py (right):

https://codereview.chromium.org/1126143004/diff/1/build/android/pylib/device/...
build/android/pylib/device/battery_utils.py:402: 
On 2015/05/07 00:07:14, jbudorick wrote:
> nit: log at info level that we're waiting for the device to cool down to X
> degrees.

Done.

[jbudorick, 2015-05-07 03:30:06]

lgtm w/ nit

https://codereview.chromium.org/1126143004/diff/20001/build/android/pylib/dev...
File build/android/pylib/device/battery_utils_test.py (right):

https://codereview.chromium.org/1126143004/diff/20001/build/android/pylib/dev...
build/android/pylib/device/battery_utils_test.py:311: class
BatteryUtilsLetBatteryCoolToTemperature(BatteryUtilsTest):
...Test

[rnephew (Reviews Here), 2015-05-07 04:07:32]

https://codereview.chromium.org/1126143004/diff/20001/build/android/pylib/dev...
File build/android/pylib/device/battery_utils_test.py (right):

https://codereview.chromium.org/1126143004/diff/20001/build/android/pylib/dev...
build/android/pylib/device/battery_utils_test.py:311: class
BatteryUtilsLetBatteryCoolToTemperature(BatteryUtilsTest):
On 2015/05/07 03:30:06, jbudorick wrote:
> ...Test

Done.

[rnephew (Reviews Here), 2015-05-07 04:07:35]

The CQ bit was checked by rnephew@chromium.org

[rnephew (Reviews Here), 2015-05-07 04:07:35]

The patchset sent to the CQ was uploaded after l-g-t-m from
jbudorick@chromium.org
Link to the patchset: https://codereview.chromium.org/1126143004/#ps40001
(title: " ")

[commit-bot: I haz the power, 2015-05-07 04:08:39]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1126143004/40001

[commit-bot: I haz the power, 2015-05-07 05:36:01]

Committed patchset #3 (id:40001)

[commit-bot: I haz the power, 2015-05-07 05:37:42]

Patchset 3 (id:??) landed as
https://crrev.com/7ce719b80a3358f0f930b004fde3c452d1a1c9ec
Cr-Commit-Position: refs/heads/master@{#328716}

[perezju, 2015-05-07 08:58:00]

already landed, but just wanted to comment that this is very neat :) lgtm too