Revert "Revert "Workaround of Slice not pinned bug when using Sl..."

Revert "Import AndroidX from build 6620107"

Revert submission 11970208-update_slice_view

Reason for revert: b/159943588
Reverted Changes:
Id09f4f6aa:Import AndroidX from build 6620107
Icb150b4f6:Revert "Workaround of Slice not pinned bug when us...

Bug: 157387583
Bug: 159943588
Change-Id: Iedd9883ea144395b9d4afb011a218fe5dcb6b560