[2/2] Settings: Implement App circle sidebar

AICPfy
Add AppMultiSelectListPreference.java from ChameleonOS

Change-Id: I2992603236ce6d4b5049d5f3d2791b3d3b8883c9
App Circle Sidebar: Support for Configurable Trigger Region[2/2]

AICPfy

Change-Id: I3a6ec82de4f330ad59a84fda2c6291f9af4c451a