Keyguard: add double tap to sleep to the regular
glow pad lock slide.

  * Double tapping the slide area will turn screen off now.

Signed-off-by: baked <travp624@gmail.com>
Frameworks: allow non-intrusive calling card to be
disabled

 - this is just the string to hold the setting.

Signed-off-by: baked <travp624@gmail.com>