Hide "Volume adjustment sound" option on non-voice capable devices

On non-voice capable devices, there's no sound when adjusting the
notification volume. Remove the obsolete option from Settings.

Change-Id: I3fc9ef737eb55d591a4ecc7d79ee60b9151395b5
Settings: modify AOSP RU translation

PS1: Updated a string to say "Cast screen" instead of older "Wireless display"
PS2: Brought back couple of strings that were reverted in 4.4.3 merge.

Change-Id: I7179ecde5f3d0ce829fd36115b2893913ad801ea