Status bar brightness control
Add global reboot option

Add global reboot option when long press power key and confirmation dialog
when user chooses to reboot device.

Conflicts:
	core/res/res/values/custom_strings.xml
	core/res/res/values/custom_symbols.xml
configurable advanced reboot menu

Conflicts:
	core/res/res/values/custom_strings.xml
	core/res/res/values/custom_symbols.xml
	services/core/java/com/android/server/power/ShutdownThread.java
Status bar brightness control
removed duplicate