Add top and bottom panel overlay to lists in AlertDialog for watch.

For watch devices, AlertDialogs added the title and button bar as header and
footer views in the ListView. This broke compatibility, hence a solution to
overlay the panels instead with a wrapper layout.

Bug: 27482353
Bug: 30075032
Bug: 29833395
Bug: 29277843

Change-Id: I2ecbe56ae8f7d7e99c7ca2dad2a2092499212199