Add entry to change lock wallpaper via themes

Change-Id: I79e7160629bc43d1f1ca993833ea2fc538550475
Add Entrypoint for theme sounds

Change-Id: I6da2fa782b9b88fc669144eb50c3231d031cd620
Settings: move keyguard wallpaper to system (2/2)

Change-Id: Id3bb66aa78c2e3dbd1170e74e33fcd160e5a70bb
Signed-off-by: Roman Birg <roman@cyngn.com>
Add wallpaper pickers to seperate package [2/2]

Change-Id: I233b90aa52b5a8c408fa3adfe3bdad07330cc2ad
Themes: List ThemeSettings as a valid fragment

This fixes a force close in Settings in tablet mode.

Change-Id: I6542feba0d0fa8491ab9e092a90709d1034ffca8
Settings: preferences use keys, not ids

Change-Id: I23fad40f85235db1fd2c5724ba9d3580828b14d7