Merge "Fix launch single task case if it under split roots" into tm-qpr-dev am: 09c1e200

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22504283



Change-Id: I83647af22cf477a77e8a0eab1285c10b8161c1d9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>