Merge "Fix crash if AM returns empty task list" into tm-dev am: aca91898 am: f276170e

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/18379858



Change-Id: Iceeb2b2ddacc974b09aab85736482d9857b7ac3c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>