Only adjust the task position when there is no move-to-top request.

Adjust the check order when adjusting the focus.
If there is no move-to-top request, only adjust the task position,
otherwise it may send top position change to unrelated activities.

Bug: 154685134
Test: atest ActivityLifecycleTopResumedStateTests
Test: atest ActivityRecordTests
Change-Id: I0827641b8f24e8f42e6b8e8703648dc540c902ef