Merge "Clean up the mLastSentTaskInfos entry" into sc-v2-dev am: 213a8d1137 am: 7b127b17d5

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15897556

Change-Id: I7f2c966d8376b80394eb4b4ac234f606c443e99a