Merge "Fix NPE from accessing pausing tasks" into udc-dev am: 996ae43573

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

Change-Id: Ib2fec07c8d1d4f7a85fa26bf889e31efd8d91fa2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>