Merge "Revert "Revert "riscv64: enable V.""" into main am: a1a29b75 am:...

Merge "Revert "Revert "riscv64: enable V.""" into main am: a1a29b75 am: 37efec58 am: 6a3d41d8 am: 45364ded am: 9a68b61f

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/2752805



Change-Id: Ie9a383d779295688d8885f47d0dc1b8fcce6fa68
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>