Steps to reproduce:

1) Download attached project and open in Unity
2) In Build Settings, switch platform to Android
2) Build and run project on any android device
3) After build is finished, look at the Scene view
Note: Default banner will appear for a second or two in the Scene view

Expected result: The banner should not appear in the Scene view after build
Actual result: Banner appears after build for couple seconds (check attached video "actual.mp4")

Regression since:
2018.1.0a2

Reproduced with:
2018.1.0a2, 2018.1.0a7

Not reproduced with:
2017.2.0p4, 2017.3.0f1, 2018.1.0a1