Fix chainerx send_array
Fix chainerx send_array

ktnyt/chainer,niboshi/chainer,hvy/chainer,ktnyt/chainer,chainer/chainer,keisuke-umezawa/chainer,chainer/chainer,wkentaro/chainer,jnishi/chainer,keisuke-umezawa/chainer,wkentaro/chainer,hvy/chainer,hvy/chainer,pfnet/chainer,wkentaro/chainer,keisuke-umezawa/chainer,okuta/chainer,niboshi/chainer,chainer/chainer,tkerola/chainer,hvy/chainer,niboshi/chainer,ktnyt/chainer,niboshi/chainer,chainer/chainer,keisuke-umezawa/chainer,okuta/chainer,wkentaro/chainer,jnishi/chainer,jnishi/chainer,ktnyt/chainer,okuta/chainer,jnishi/chainer,okuta/chainer