Add back Utils we had in kitkat

Don't know original authors

Change-Id: I3eb5a15d0c4d9bc8eae6ac7239eb829df518917e
[2/2] Settings: Implement App circle sidebar

AICPfy
Add AppMultiSelectListPreference.java from ChameleonOS

Change-Id: I2992603236ce6d4b5049d5f3d2791b3d3b8883c9

@alviteri: crDroid'fy
App Circle Sidebar: Support for Configurable Trigger Region[2/2]

AICPfy

Change-Id: I3a6ec82de4f330ad59a84fda2c6291f9af4c451a

@alviteri: crDroid'fy
Settings - XuiMod: Toast Animations [2/2]

Change-Id: Id6ef51286fcaa88e60ace6daae5a14301fac2aae