Android Chromoting: Remove duplicate code for fetching the host list.

Android Chromoting: Remove duplicate code for fetching the host list.

A previous refactoring had left some duplicate code which fetched the
host list twice!

Committed: https://crrev.com/91574db9b14abda6cc59d9b6d557185dd4466026
Cr-Commit-Position: refs/heads/master@{#295882}

[Lambros, 2014-09-19 00:45:41]

lambroslambrou@chromium.org changed reviewers:
+ sergeyu@chromium.org

[Sergey Ulanov, 2014-09-20 17:45:17]

lgtm

[Sergey Ulanov, 2014-09-20 17:45:20]

The CQ bit was checked by sergeyu@chromium.org

[commit-bot: I haz the power, 2014-09-20 17:46:02]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/582873004/1

[commit-bot: I haz the power, 2014-09-20 18:19:49]

Committed patchset #1 (id:1) as e4025aceb979e7bc82fa3fee3bd7cbba500da0da

[commit-bot: I haz the power, 2014-09-20 18:20:25]

Patchset 1 (id:??) landed as
https://crrev.com/91574db9b14abda6cc59d9b6d557185dd4466026
Cr-Commit-Position: refs/heads/master@{#295882}