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
OmniSwitch: icon layout rework

Save some space when using app labels by using
setBackground

Change-Id: Ie1bb9e5d9275bc734d484cc00ce222f2dee06116
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