http://www.apkmirror.com/apk/google-inc/google-cast-receiver/google-cast-receiver-1-17-46918-x86-android-apk-download/

Thanks to /u/maxdamage22 for the original upload!

I asked people to upload it if they got it and he came through!

https://www.reddit.com/r/nexusplayer/comments/3xoa58/google_cast_receiver_11746918_seems_to_be_out_but/cy70nkx

Here's a post about the update being faster:

https://plus.google.com/+EricAnderson89/posts/CRqhJZpNA6E

I'm not at home to test it, but fellow Nexus Player users, give it a shot and tell us if you can confirm better performance!