Merge "[config] Boards can supply custom super image script" am: 6dcf429d...

Merge "[config] Boards can supply custom super image script" am: 6dcf429d am: d90bc8e5 am: 96a1cfe6

Original change: https://android-review.googlesource.com/c/platform/build/+/2496355



Change-Id: If650e824bbf7f7446e3c4b922dd8a471d3a8e543
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>