Merge "Change default arch for banchan to arm64" am: 3f65d6d8

Original change: https://android-review.googlesource.com/c/platform/build/+/2105084



Change-Id: I71afcacff56545940e25a92ab26c9914c2bdf353
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>