HOVER [2/2]

Check framework commit for description.

Change-Id: I6e46cb029fd4ab90ad749f026cb3c466cf4cfd3b
Add Hover settings

PS1: small fix CheckBoxPreference and ListPreference

PS2: add 1 and 2 second(s)

Change-Id: I86b1a1bd6c18286aadfa02bb49110dd6128325d8
Settings: Implement App circle sidebar
Settings: App Circle Bar Toggle [2/2]
Settings: App Circle Sidebar: Support for Configurable Trigger
Density changer ported from SlimRoms