Verification builds:
1.2.0.15 Retail

Summary:
When using a night vision potion in the end, the sky color will change drastically when you look upwards.

Steps to Reproduce:

1. Use a night vision potion in the end
2. Move your head up and down

Observed Results:
The sky colours change as you look up.

Expected Results:
They should stay the same.

Screenshots/Videos attached: Yes
Video of the issue: https://youtu.be/aJOiTqrB0B0

Notes:
(I believe this is a different issue to MCPE-20257)