Power menu customizations [2/2]

power
reboot
airplane
sound
profile switcher
user switcher
device lockdown
settings shortcut
bug reports
immersive mode

PS2: whitespace

Change-Id: Iadb41a661770f8b71eef4e12b1d8f04d0ba3e6be

Conflicts:
	res/values/vanir_strings.xml
	res/xml/vanir_interface.xml
	src/com/android/settings/profiles/ProfilesSettings.java
	src/com/android/settings/vanir/VanirInterface.java

Conflicts:
	res/values/strings.xml
	res/xml/display_settings.xml
	src/com/android/settings/DisplaySettings.java
	src/com/android/settings/profiles/ProfilesSettings.java