Upgrade drm-ffi to 0.8.0 am: 12273b6144 am: 6b0068d097

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/drm-ffi/+/3212358

Change-Id: Iebc71c42d0b36e21dbef1a653f1c8442e524439c
Signed-off-by: Automerger Merge Worker <[email protected]>