tree bf39f20620d283a011eb482fc11f45fbe1138893
parent 430944cefb366b91a95837d367b71473d0d02e49
author Jerry Chang <chenghsiuchang@google.com> 1634727835 +0800
committer Jerry Chang <chenghsiuchang@google.com> 1634814176 +0800

Fix drop to enter split not working

Sometimes when dropping app icon to enter split screen, it'll exit split
screen immediatlly because it evicts newly launched task before the task
considered to be visible. Update to collect child tasks to evict before
launching activity.

Fix: 203610931
Fix: 203636251
Test: atest WMShellUnitTests
Change-Id: If070fb5b3eb0b3fc178122d38b2dce3072621449