Updates OWNERS file in Car Assist Client Lib and Car Assist am: 330dc71a1b

Original change: https://android-review.googlesource.com/c/platform/packages/apps/Car/libs/+/1584347

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I53794f7f05f96b779219efb3656beb93f51c96cb