How to reproduce:
1. Download and open the attached project "1114576.zip"
2. Open the Scene and Game windows
3. Select the Main Camera GameObject in the Hierarchy
4. Inspect the Camera Preview and Game windows

Expected result: The black cube is rendered the same on both windows
Actual result: The black cube is flipped on Y-axis in the Game window

Reproducible with Unity versions: 2019.1.12f1, 2019.2.0b10, 2019.3.0a10
Reproducible with package versions: 5.7.2, 5.8.2, 5.9.0, 5.10.0, 5.13.0, 5.16.1, 6.5.2, 6.5.3, 6.7.1, 6.9.0
Not reproducible with package versions: 5.3.1

Notes:
Enabling Opaque Texture in Lightweight Render Pipeline Asset will fix the issue in package versions 5.16.1, 5.7.2 and 6.9.0.
Trying to install LWRP versions earlier than 5.6.1 will result in Console errors.
Affected Package versions are not available in Unity 2018.4.
In early versions of Unity 2019.1 and 2019.2 installing the affected package versions will throw Console errors.