Settings: add back SMS security limit

Limit the number of outgoing messages per every 15 minutes by
any application that sends text messages.

PS2-4: Whitespace fixes

Change-Id: Ibb61396ea9adb3f95cdbd13b91cbbc3477f6e361
Screen recorder settings [1/2]

* Possibility to save preferences regarding pointer
* Possibility to use microphone as audio input

PS2: Add onPreferenceChangeListener for pointer pref

Change-Id: I8c7aa39459db03f38c08756e0248c02a15b8d82e