Video Plays when "Playback Speed" is set to 0 in VideoPlayer Component only in Mac OSX

Steps to Reproduce.
1. Create a Project OR Open Attached Project
2. Add Video to Project
3. Drag and drop the video into Hierarchy view
4. Set Playback Speed to 0
5. Play the Scene

Actual Result:
Video starts even though Playback Speed is set to 0
Expected Result:
Video should not be played if Playback Speed is set to 0

Works fine on:
5.6.0f1

Reproduced on :
2018.2.0a8, 2018.2.0a7, 2018.2.0a5, 2018.1.0f1, 2017.3.0f3, 2017.2.0f3, 2017.1.0f3

Environment
Occurs on Mac OSX 10.13, Mac OSX 10.12