email: Holo Light ringtone picker dialog

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

Change-Id: I5e828ca7379525d37358d8970fb53bba2aad24f6
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>
Merge "email: Holo Light ringtone picker dialog" into cm-11.0
Merge branch 'cm-11.0' of git://github.com/CyanogenMod/android_packages_apps_Email into cm-11.0