Merge "Add #defines for riscv64" am: 5ab3d2a1

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/2388850



Change-Id: I28ea98f5eaac1782b47173cf490e76419a9d1a7e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>