👕 Fix android lint warning in TokenSourceImpl.java

Fix android lint warning in TokenSourceImpl.java

Consider using `apply()` instead; `commit` writes its data to persistent
storage immediately, whereas `apply` will handle it in the background:
CommitPrefEdits [warning]

BUG=607761
Committed: https://crrev.com/6b9957478bb09c311650460b568f237f45c7db8c
Cr-Commit-Position: refs/heads/master@{#390563}

[agrieve, 2016-04-29 00:37:14]

agrieve@chromium.org changed reviewers:
+ dtrainor@chromium.org

[nyquist, 2016-04-29 01:04:22]

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

[nyquist, 2016-04-29 01:04:23]

Thanks, and lgtm.

[agrieve, 2016-04-29 01:06:57]

The CQ bit was checked by agrieve@chromium.org

[commit-bot: I haz the power, 2016-04-29 01:07:39]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1934473002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1934473002/1

[commit-bot: I haz the power, 2016-04-29 01:44:06]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-04-30 17:23:30]

Patchset 1 (id:??) landed as
https://crrev.com/6b9957478bb09c311650460b568f237f45c7db8c
Cr-Commit-Position: refs/heads/master@{#390563}

[commit-bot: I haz the power, 2016-04-30 17:58:52]

Description was changed from

==========
Fix android lint warning in TokenSourceImpl.java

Consider using `apply()` instead; `commit` writes its data to persistent
storage immediately, whereas `apply` will handle it in the background:
CommitPrefEdits [warning]

BUG=607761
==========

to

==========
Fix android lint warning in TokenSourceImpl.java

Consider using `apply()` instead; `commit` writes its data to persistent
storage immediately, whereas `apply` will handle it in the background:
CommitPrefEdits [warning]

BUG=607761

Committed: https://crrev.com/6b9957478bb09c311650460b568f237f45c7db8c
Cr-Commit-Position: refs/heads/master@{#390563}
==========