Consistently use start/end instead of left/right layout properties.

Fixes various RTL language bugs.

Change-Id: I3be9c9c54e4fd14a561f6b38ce1601bc66c8351b
Missing back button on MultiSimSettings ActionBar

Fixed missing back button on ActionBar (default Settings behavior on
submenus) by adding "parentActivityName" property to MultiSimSettings
activity.

Change-Id: I60a1123be29d81c8232e0acee1ac9544bf9b32e6
Bluetooth: Handle BT search while rotate screen

Enable screen orientation in Settings app manifest.

CRs-Fixed: 519022
Change-Id: I74b70dafa1d8d12bf6770cb44a808cdf51555940
(cherry picked from commit 5e6cb7b4c30b4b7a01240b37395cd6c2edc9372b)
(cherry picked from commit 9d2319fda3df37730770c1fa55c9293a02198383)
(cherry picked from commit b77d906701dad6fd659b53008b422675afda3e31)
Bluetooth: Avoid window leak when screen orientation changes

Enable screen orientation change support in Bluetooth Settings app
during any Bluetooth Setting Activity. Otherwise, window leak may
observe while screen orientation changes.

CRs-Fixed: 556653
Change-Id: I8868f4c6e96277fd17484f810de6a700198a5287
(cherry picked from commit 43d4fc0bd35ee5573a8f25c980b812e32cd48172)
(cherry picked from commit 06f74dafa10ce9c1a61719e277ac72ea33e6deab)
(cherry picked from commit 547dcac07806559c5c884acc1f32b4e199447cb8)
Settings: Add missing up navigation in menus

Squashed forward port from cm-10.2

Change-Id: Ia9d51b53df8a3eb4c1b9dee1aeefb0b74eac0fde
settings: Remove "mobile plan"

 * Useless menu item.

Change-Id: I0b35017cb9a52600cde5d31065f007210f916a41