Add global action for screen recording. [1/2]

PS4:
Send record screen broadcast instead of using the service
directly.

Change-Id: Ie6d4655b074992075df0060d23c758f2af06387e
Signed-off-by: Scott <scott@ubuntu>

Conflicts:
	core/java/android/provider/Settings.java
	core/res/res/values/vendor_strings.xml
	core/res/res/values/vendor_symbols.xml
	policy/src/com/android/internal/policy/impl/GlobalActions.java

Conflicts:
	core/res/res/values/bs_strings.xml
	core/res/res/values/bs_symbols.xml
	policy/src/com/android/internal/policy/impl/GlobalActions.java