Settings: add quick pulldown listpreference
as well respect rtl layout changes

(cherry picked from commit 167b357680c036250fb8c5cd90a9e8dc1d08e274)
Improve notification tone string

Change-Id: I731903a7bcda38229502de33dbc83c44e3782996
(cherry picked from commit c06f3950a345ff6f4400ead8fde43c1fda4a0f67)

Conflicts:
	res/values/cm_strings.xml