Android - How to Disable Screen Rotation Icon

There is indeed a way to disable it by ADB.

• Setup ADB on your PC/Mac.
• Enable USB debugging on your android
• Connect your device to the PC/Mac
• Run following command in shell/terminal:

adb shell settings put secure show_rotation_suggestions 0

Or you could do it the easy way.... I just figured it out with a lightbulb moment turning my flashlight brightness down