Fixing jank in launching app from recents

Moving expensive actions from the last
frame's rendering.

This reduces the max frame time from > 16 ms
to <= 8 ms, which is good for now.

Test: Trace, metrics
Bug: 173640772
Bug: 173072373
Change-Id: I6d06a129f68d9b26f52c773b817558c77604ae5e