There is no /gamerule forgiveDeadPlayers and universalAnger in bedrock

Summary:
There is no /gamerule forgiveDeadPlayers and universalAnger in bedrock. In Java Edition 1.16 Pre-release 1 it has been introduced, but didn't make its way to bedrock.

Steps to reproduce:

1. Enter a world with cheats on
2. Go to chat
3. Type:

   /gamerule forgiveDeadPlayers

   /gamerule universalAnger

Observed results:
There is no /gamerule forgiveDeadPlayers and /gamerule universalAnger in bedrock.

Expected results:
It should be there in bedrock as Java edition has it in Java Edition 1.16 Pre-release 1.