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

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



Change-Id: Ifff00f4c5de2915b8782d836a8de9676f1ffd1f2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>