Merge "Fix NPE from accessing pausing tasks" into udc-dev am: 996ae435 am: 229a30da am: cf81e1e7

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23667199



Change-Id: I17c250443b1114aac5e54bf4a46e5c237d53d8b8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>