Skip transition only when transferring starting from visible activity

Otherwise if the starting window is transferring when it is added but
not yet drawn, the first opening transition will be skipped.

Bug: 196636209
Test: ActivityRecordTests#testTransferStartingWindow,
     testTransferStartingWindowFromFinishingActivity

Change-Id: I1047944351e574cfd88fa1eb879d3b9bc55440c3