Merge "Update ownership documentation" into main am: 276ce1295b

Original change: https://android-review.googlesource.com/c/platform/build/+/3317070

Change-Id: Ib2047f576876eff1137cabccd69a333777bdccee
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>