tree 4b4bf65e247cf414b2d07154d806cc30455ae423
parent 291f393b17e3c24ebedfc8d828dc8b0b070b2b19
author Tracy Zhou <tracyzhou@google.com> 1591171646 -0700
committer Tracy Zhou <tracyzhou@google.com> 1591222751 -0700

Improve V2 grid migration algorithm

- Reset next X when finding the next available space for placement
- Cache icons by screen id in a map so that we don't need to load it each time
- Update tests accordingly

Test: Manual and unit test
Fixes: 155828336
Change-Id: I848775725a624b7a62154224c0745cd680d2e5f0