Also delete duplicated ic_settings_notifications.xml and point existing
usages to ic_notifications.xml
Bug: 77982107
Test: manual
Change-Id: Ia7896598c6334aa97faf392b17e6bc3c17d58599
We no longer need this to be in inside the setup flow when setting up
the lock screen. Move this class to be used as an optional step if a
lock screen is added.
bug:23893721
Change-Id: I15478e0f0d8d8771cbdce6ccf0f508cbd5dd4f36