Allow to resume activity when there are results.

Relaunch with results should be allowed when target lifecycle is
resumed.

Add test for shouldResume/shouldPause when results existing.

Bug: 144422233
Test: atest android.server.wm.lifecycle
Test: atest WmTests:ActivityRecordTests
Change-Id: I687b0a3488ca969302b22628449fc29c7fc34a9d