Settings: Lockscreen Colors and Lock Image [2/2]

No necesitamos 2 lockscreen config en el menu. El primero está completo. Añadimos opciones de estilo.

PS2: Separate settings into mutiple and
	create fragment to hold them
PS3: String change.
PS?: Lock image selector
PS?: Custom Lock-image colorize option

Change-Id: I46bb16570916645712b75c05f34235fdbd271650

Conflicts:
	res/values/slim_arrays.xml
	res/xml/security_settings_chooser.xml
Settings: Fix Lock Size

Get lock size for device.

Change-Id: Ie9bcbb7ff2fec73128254b8ad290f3e03c4e2f0b
Merge branch 'testing'

Conflicts:
	res/values/slim_strings.xml