Change location of Rotation Lock in System Tray

Change location of Rotation Lock in System Tray
The rotation lock tray was in an incorrect position within the system tray. This change moves it to be above the Settings item.

TEST=Have a device in maximize mode, open the system tray.
BUG=443654
Committed: https://crrev.com/977738ffc224913439d1b7dac8560d11de31e0cb
Cr-Commit-Position: refs/heads/master@{#310168}

[jonross, 2015-01-06 21:48:11]

jonross@chromium.org changed reviewers:
+ skuhne@chromium.org

[jonross, 2015-01-06 21:48:11]

Hi Stefan,

Could you provide an owner review of this change? I'm just moving the location
of one tray within the SystemTray.

[Mr4D (OOO till 08-26), 2015-01-06 22:34:43]

lgtm

[jonross, 2015-01-06 22:36:13]

The CQ bit was checked by jonross@chromium.org

[commit-bot: I haz the power, 2015-01-06 22:36:55]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/813353004/1

[commit-bot: I haz the power, 2015-01-06 23:23:12]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-01-06 23:24:23]

Patchset 1 (id:??) landed as
https://crrev.com/977738ffc224913439d1b7dac8560d11de31e0cb
Cr-Commit-Position: refs/heads/master@{#310168}