contacts: Holo Light ringtone picker dialog

Depends on
http://review.cyanogenmod.org/#/c/61392
http://review.cyanogenmod.org/#/c/61393

Change-Id: I2619e88a2ab573c18acae3bc05887d5ec3038666
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>
Merge branch 'cm-11.0' of https://github.com/CyanogenMod/android_packages_apps_Contacts into cm-11.0