Use system-api lib to get badged, shadowed icons(2/n)

In order to prevent DoS attack from icon size, we're using
a system lib to help convert any loaded drawable into a flattened
bitmap with an appropriate size.

Test: Open recent app screen and then no crash
Bug: 33646131
Change-Id: Ib7eae56e19cd86667bd63b6061000c6a92deaf3b