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: Ic7282f1d30262b48f418186f7047ec083c2259f8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>