Revert "Revert "Revert "Base: App Circle sidebar (add support Samsung multiwindow flags)"""

This reverts commit 85b11b3428964df1f57ec80e56cc24cbf7e28269.
Revert "Revert "Revert "Base: App Circle sidebar (add support floating window)"""

This reverts commit bc223dd1eaae670bcb4439aa550cfff445af5446.
Revert "Revert "Revert "[1/2] Base: implement App circle sidebar"""

This reverts commit ef92584326d9ee03e3d3615974eedc65d86d1ea7.