Merge "Update launch root rule to consider candidate task if needed" into tm-dev am: 5793f436

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17856863



Change-Id: I56a77ceccdd3d4e2b39dc66f3142c51cd88a76b5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>