fixing rare NPE

test: replaced callback with null pointer and noted same crash error as provided in bug. testing crash to see if it was just small jank or obvious crash. its an obvious cash to user. by exiting earlier the UI isn't as fluid but we will stop crashing.

bug: 261071811
Change-Id: Ia54ee8d4bccdb9de8c042bae8e837216eaac67bb