minecraft.killed:minecraft.player does not tick up

This report has been moved over to: https://bugs.mojang.com/browse/MC-122962

Expected

Upon killing another player, the score would increase

Actual

The score does not tick up, even if set to 0 initially

Steps to reproduce:

1. Create scoreboard objective and setdisplay: 

   scoreboard objectives add killPlayer minecraft.killed:minecraft.player Kill Player

1. Get two players on a server or LAN world (I'm on LAN world with 2 accounts)

2. Kill one player with the other

3. Notice score does not tick up, even if set to 0 initially

NOTE: The death score of the other player DOES tick up

NOTE2: Both players are in survival mode