Hover settings (2/2)

- Require full screen
- Exclude non-clearable
- Exclude low priority

Thanks @Der-Schubi for this.
Adapted to crDroid sources

Change-Id: I05584f5d090f7aa044f8b67ba09192984ce83822
Hover notification timeout (2/2)

Allow user to set how much time the hover notification will stay visisible without touch the screen

Change-Id: I6a6fb5609a8dd4f97bfefdbbab38b87de8d2a11a

Conflicts:
	res/values/cr_arrays.xml
Remove lockscreen slide delay option (1/2)

Also enable these options for insecure lockscreen:
* Lock after timeout
* Power button instantly locks
* Owner info

Change-Id: I7737dc9cb1108f7d83b2cea3af9eb313767eb958

Conflicts:
	res/xml/security_settings_chooser.xml
	src/com/android/settings/LockscreenSecuritySettings.java