Merge "Fix NullPointerException in PermissionPolicyService#isTaskStartedFromLauncher" into main am: 5113e3861d

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2815453

Change-Id: Ic13438e1083853c63c597b672b28e39abde9022e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>