[automerger skipped] Convert sdk_car_* from 32/64-bit-mixed to 64-bit-only build am: 89a71438be -s ours am: 4d71cc40c3 -s ours am: 460206f60b -s ours

am skip reason: Merged-In Ib5119cd98138e6f840c7a591dd049c7f72f69f14 with SHA-1 178994c2dd is already in history

Original change: https://android-review.googlesource.com/c/device/generic/car/+/2808259

Change-Id: Ia83ae9d18b68eabf8da69e49b31c54cee3bb4e70
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>