Settings LightSettingsDialog: update led on text change

Change-Id: I135f37829b9b4fb2166afac9d9531b76a62f3ef7
settings: open add tile dialog

Shows the "add tile" dialog QuickSettingsTiles activity when the user press
the add tile button in the system bar

Change-Id: Id416b85aa11cee6fd586ee322650d421ca83cdf0
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>
Revert "settings: open add tile dialog"

This reverts commit 7770e01e570769724d92a38d614ae6804466cdea.

Change-Id: I3df0ad3e4d02deb86ae9e0d634431b2a4624deab
Merge "Settings LightSettingsDialog: update led on text change" into cm-11.0
Merge remote-tracking branch 'cm/cm-11.0' into wszf