Refactor Nearby Message listener

Refactor Nearby Message listener

Instead of putting the Nearby Message listener directly in the
IntentService, we place it in the PhysicalWebBleClient so that we can
override it with other versions of the listener.

BUG=671400
Committed: https://crrev.com/05eaec60267085699bc11943ff9c6a87be3f6039
Cr-Commit-Position: refs/heads/master@{#436826}

[cco3, 2016-12-06 00:38:50]

cco3@chromium.org changed reviewers:
+ mattreynolds@chromium.org

[mattreynolds, 2016-12-06 01:54:27]

lgtm

[cco3, 2016-12-06 18:33:34]

cco3@chromium.org changed reviewers:
+ nyquist@chromium.org

[nyquist, 2016-12-07 00:57:51]

lgtm

[cco3, 2016-12-07 01:04:16]

The CQ bit was checked by cco3@chromium.org

[commit-bot: I haz the power, 2016-12-07 01:05:08]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-12-07 01:38:42]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1481072656697650, "parent_rev":
"340de777a72d9773fcd373f10aa180a9fb8b341e", "commit_rev":
"b0fb74bfe08cabef780dbd7579e74a5230870032"}

[commit-bot: I haz the power, 2016-12-07 01:39:10]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-12-07 01:42:38]

Description was changed from

==========
Refactor Nearby Message listener

Instead of putting the Nearby Message listener directly in the
IntentService, we place it in the PhysicalWebBleClient so that we can
override it with other versions of the listener.

BUG=671400
==========

to

==========
Refactor Nearby Message listener

Instead of putting the Nearby Message listener directly in the
IntentService, we place it in the PhysicalWebBleClient so that we can
override it with other versions of the listener.

BUG=671400

Committed: https://crrev.com/05eaec60267085699bc11943ff9c6a87be3f6039
Cr-Commit-Position: refs/heads/master@{#436826}
==========

[commit-bot: I haz the power, 2016-12-07 01:42:40]

Patchset 1 (id:??) landed as
https://crrev.com/05eaec60267085699bc11943ff9c6a87be3f6039
Cr-Commit-Position: refs/heads/master@{#436826}