* stable-2.15: Rebuild: Don't fail with ISE if change is missing in ReviewDb DeleteComment: Don't fail with NPE if input is null Change-Id: I1c32d723fc44ec08cee1206ed250cf48f0a305e5
* stable-2.15: Rebuild: Don't fail with ISE if change is missing in ReviewDb DeleteComment: Don't fail with NPE if input is null Change-Id: I1c32d723fc44ec08cee1206ed250cf48f0a305e5