Revert "Keep old PriorityQueue.offer behavior for < U." This revert was created by Android Culprit Assistant. The culprit was identified in the following culprit search session (http://go/aca-get/2acf194f-e4a0-44ac-a00f-482c477bb0bb). Bug: 293025559 Change-Id: Ia1aa9c5062c87985fbae7e79426a68b3c4ea28d7