Create otatools build target with dist am: fa04b8d7ed

Original change: https://googleplex-android-review.googlesource.com/c/platform/build/+/23566986

Change-Id: I9d6aa1103997d0c9ca42679dda3a74cc590def21
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>