Function luma_chroma_mode_rdo

fn luma_chroma_mode_rdo<T: Pixel>(
    luma_mode: PredictionMode,
    fi: &FrameInvariants<T>,
    bsize: BlockSize,
    tile_bo: TileBlockOffset,
    ts: &mut TileStateMut<'_, T>,
    cw: &mut ContextWriter<'_>,
    rdo_type: RDOType,
    cw_checkpoint: &ContextWriterCheckpoint,
    best: &mut PartitionParameters,
    mvs: [MotionVector; 2],
    ref_frames: [RefType; 2],
    mode_set_chroma: &[PredictionMode],
    luma_mode_is_intra: bool,
    mode_context: usize,
    mv_stack: &ArrayVec<CandidateMV, 9>,
    angle_delta: AngleDelta,
)