Settings: Multi-user support for phones (2/2)

Allow multi-user for all devices without hardcoding it on

based on this commit
VanirAOSP/packages_apps_Settings@5b2ba37

Signed-off-by: Arnav Gosain <nolinuxnoparty@gmail.com>
Settings: Add time-context headers to the notification header (2/2)

Signed-off-by: Arnav Gosain <nolinuxnoparty@gmail.com>
Settings: Wakelock Blocker (2/2)
Settings: Volume panel timeout (2/2)