Revert "SystemUI: Fix missing top task in recent panel"

This reverts commit ee1b29255e214d5e4d06a81d51eb39a1e13e2381.
Revert "Base: App Circle sidebar (add support Samsung multiwindow flags)"

This reverts commit 3ae871bc5ad2091bb9a9a82e943d0011baa4222d.
Revert "Base: App Circle sidebar (add support floating window)"

This reverts commit c48909a75a248d7927a09a0605df0ce8b60af8c0.
Revert "[1/2] Base: implement App circle sidebar"

This reverts commit fa8965e960dfe60a17b9a4cc4aac68e53f209a57.
Revert "Base: Floating window with multitasking"

This reverts commit 523e6ae988761996e4609b1a226a0e19027b242b.