Archived install icon fixes.

- don't override icon with monochrome,
- always resize smaller icons,
- use AdaptiveIconDrawable to accomodate different shapes,
+ minor fix to not crash system server,
+ flaky test fix.

Fixes: 316225498
Test: atest PackageManagerTest
Change-Id: Ibf8b12a8505558cfcfef6f8150ca35c1e83de228