Notify apps when insets change.

Activities that handle their own configuration get layout when hidden
and the configuration changes but not when the content insets change
if they are hidden. They need to get a fresh layout for both
situations.

Fixes bug 11544694.

Change-Id: Iff3a9adb72ea7dfc3e5cd38e1b9cd7cf2006f8f5
Camera : Powerkey shutter (1/2)

Allows user to take use power key to take pictures/videos

Change-Id: I85a1e1761199f4604672be42a3a5005227f5451a
Underp public API... again

Change-Id: Ibb8d74cec9de3c2227451d33f3fe4ce82a731514
Underp the Underp public API... again

Change-Id: I7841c3c4d58dc224dc0e83f46b06cb1de93987a2
Fix Power Shutter Exception 2 of 2

Set protection level to 'dangerous'

Change-Id: I9792f4c543c9ce8a647989ca60cdc9389602551c
Merge remote-tracking branch 'cfx/kk-devel' into peexl