[1/2] Settings: Add an option to avoid exiting silent mode via volume keys
If this option enabled, pressing volume up key will not exit silent mode(SILENT or VIBRATE).

Change-Id: I429c887c8c993c98f75a6ec39da64e1935ecfe27
Thanks to @oubeichen
Automatic translation import

Change-Id: I47384cb2cc095cf039eabf0664be20acf25dd5eb
MSIM: Hide setting for signal status mods

Currently Hide signal status and signal status text view are not
implemented for msim.

Change-Id: I2d8baec8235aea6a13434a0b4c39a637ed2931a5