Port: Don't show phone unlock targets for devices without voice (1/2)

Add a separate list of default lockscreen unlock targets for devices
without voice capability.

http://review.cyanogenmod.org/#/c/52965/1

Change-Id: I2e9aa953bf9aeee4c492ae7514bedd9db408863b
Update immersive confirmation.

1. Disable panic mechanism for expanded desktop.
2. Separate confirmation for each expanded desktop style.
3. Add new layout for the case when navigation
   bar is hidden but statusbar is visible.

Change-Id: I5914d655bd5f9315ac4cc6fc7d70cc4ee45bb7b2
Merge "Port: Don't show phone unlock targets for devices without voice (1/2)" into cm-11.0
Merge "Update immersive confirmation." into cm-11.0
Merge branch 'cm-11.0' into martincz