OmniSwitch: added horizontal gravity support

Optimized show code - reduced time to show ovwerlay
by a large amount

Change-Id: I2b64c70fafbae99b147fbdc314ddd3f7dca44547
OmniSwitch: RU translation

Change-Id: I46554573d55ff433c91d6d389bd95fdba678978e
Merge remote-tracking branch 'upstream/android-4.4' into kk-x