Add an aosp car target that supports 64-bit apps only

Bug: 164166032
Test: adb shell getprop | grep abi
Test: Output should be
Test: [ro.product.cpu.abi]: [x86_64]
      [ro.product.cpu.abilist]: [x86_64]
      [ro.product.cpu.abilist32]: []
      [ro.product.cpu.abilist64]: [x86_64]

Change-Id: I5f8bed37f368d2346c0e88bd1a4f03cc66270979
2 files changed