Fix some issues found in AM display tests

- Updated launch task compute code to avoid unsupported
displays.
- Throw exception when activity landed on unexpected
display.
- Compute display config in WM immediately after creation.
- Fix incorrect target stack value when activity was moved.

Bug: 70562864
Bug: 70563248
Bug: 70564344
Bug: 68952184
Bug: 69916363
Bug: 69916120
Test: ActivityManagerDisplayTests
Change-Id: Id860f77ea49e016f028b44f5512dff37f0758590