[Android] Change battery_utils TieredSetCharging from exceptions based to discovery based

[Android] Change battery_utils TieredSetCharging from exceptions based to discovery based

Currently, it throws an exception to know it cannot do hardware level disable, this
changes it to use profile discovery to decide how to disable charging.

BUG=520958
Committed: https://crrev.com/c0202d6ab7d128fe54e6fea8ab654918e5e2f3f2
Cr-Commit-Position: refs/heads/master@{#343929}

[rnephew (Reviews Here), 2015-08-17 16:00:53]

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

[perezju, 2015-08-18 09:14:15]

lgtm w/nit

https://codereview.chromium.org/1293143002/diff/1/build/android/pylib/device/...
File build/android/pylib/device/battery_utils.py (right):

https://codereview.chromium.org/1293143002/diff/1/build/android/pylib/device/...
build/android/pylib/device/battery_utils.py:494: else:
nit: maybe keep a logging.info to indicate whether we're doing hardware/software
enable/disable?

[rnephew (Wrong account), 2015-08-18 14:54:53]

rnephew@google.com changed reviewers:
+ rnephew@google.com

[rnephew (Wrong account), 2015-08-18 14:54:53]

https://codereview.chromium.org/1293143002/diff/1/build/android/pylib/device/...
File build/android/pylib/device/battery_utils.py (right):

https://codereview.chromium.org/1293143002/diff/1/build/android/pylib/device/...
build/android/pylib/device/battery_utils.py:494: else:
On 2015/08/18 09:14:15, perezju wrote:
> nit: maybe keep a logging.info to indicate whether we're doing
hardware/software
> enable/disable?

Done.

[rnephew (Wrong account), 2015-08-18 14:55:24]

The CQ bit was checked by rnephew@google.com

[rnephew (Wrong account), 2015-08-18 14:55:24]

The patchset sent to the CQ was uploaded after l-g-t-m from perezju@chromium.org
Link to the patchset: https://codereview.chromium.org/1293143002/#ps20001
(title: "logging")

[commit-bot: I haz the power, 2015-08-18 14:55:29]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1293143002/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1293143002/20001

[commit-bot: I haz the power, 2015-08-18 15:58:06]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-08-18 15:58:56]

Patchset 2 (id:??) landed as
https://crrev.com/c0202d6ab7d128fe54e6fea8ab654918e5e2f3f2
Cr-Commit-Position: refs/heads/master@{#343929}