commit 27d5a1f5a1108d69a665b0f7ad6772592c35bba6
author Louis Chang <louischang@google.com> Mon Aug 10 13:17:22 2020 +0800
committer Louis Chang <louischang@google.com> Wed Aug 19 01:55:26 2020 +0000
tree 717f41b36e22e3f64f5caa04cb51587df1210f68
parent 5c344f743102ae154a8bb2e7a431fb76a57a66de

Avoid adjusting top focused root task while clear task

Top focused root task was updated while clear task for reuse, which
isn't necessary. This was happening after 046523c merged.

Also avoid resuming the top activity in next focused
root task to prevent additional top-resumed-activity state changes.

Bug: 160613519
Bug: 163003067
Test: asit/perf/junit/jank_systemui_test

Change-Id: I8ddbfc3b0a62ddb29833d324e42812ed0dc096db
(cherry picked from commit 2caec7ba30b63785d5d5ee5d1341bd11f373aa12)