Settings: add equalizer tile toggle

Change-Id: I51b34e34a7e6305bc5ced0672eb2aa7e8db45057
Signed-off-by: Roman Birg <roman@cyngn.com>
[2/2] Battery light: Add 100% charged level
[2/2] Profile: Screen timeout
[2/2] Buttons: Switch to last app
[2/2] Quick pulldown: center
[2/2] Smart pulldown
[2/2] Volume panel timeout
[2/2] Low battery warning policy
[2/2] Recents clear all button
[2/2] Recents RAM bar
[2/2] Network traffic indicator
[2/2] Lockscreen notifications