Merge "riscv64: assume fast unaligned access." into main am: 3fb5c15a am:...

Merge "riscv64: assume fast unaligned access." into main am: 3fb5c15a am: 6014bf35 am: 67c1b30e

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/2734373



Change-Id: I64106c9dbccf5dd26e3f8e55c1d6201c27dabd8c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>