Editor crashes on switching Windows Graphics APIs to Direct3D12

Steps to reproduce:
1. Create a new project
2. File > Build Settings > Player Settings
3. Other Settings > Uncheck "Auto-Graphics API for Window" checkbox.
4. Add Direct3D12 > move to the top of the list > Apply.

Actual Result:
Editor crashes.

Expected Result:
Graphics APIs switches to Direct3D12.

Reproducible on:
2019.2.0a6

Works fine on:
2019.2.0a5, 2019.1.0b3

Environment:
Occurs only on Windows

========== OUTPUTTING STACK TRACE ==================

0x00007FF7572A1EFA (Unity) GfxDeviceD3D12::BeginFrame
0x00007FF757303338 (Unity) GfxDeviceWorker::RunCommand
0x00007FF75730A62B (Unity) GfxDeviceWorker::RunExt
0x00007FF75730A9F5 (Unity) GfxDeviceWorker::RunGfxDeviceWorker
0x00007FF7580FFF87 (Unity) Thread::RunThreadWrapper
0x00007FF9C72D3DC4 (KERNEL32) BaseThreadInitThunk
0x00007FF9C7DE3691 (ntdll) RtlUserThreadStart

========== END OF STACKTRACE ===========