Merge "Add directory for external crate tool, with OWNERS file." into main am: 55ab781f74 am: 03a02d9d7f

Original change: https://android-review.googlesource.com/c/platform/development/+/3089565

Change-Id: Ib2fd34ac766843f4ac1623194debdb7a289c8751
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>