Crash on changing Graphics API from D2D11 => D3D12 => Vulkan => OpenGLCore.

Steps to repro:
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.
5. Add Vulkan > move to the top of the list > Apply.
6. Add OpenGLCore > move to the top of the list > Apply.

Actual Result:
Editor Crashes.

Expected Result:
Graphics APIs for Windows is set to OpenGLCore.

Crash stack:

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

0x00007FF605C60306 (Unity) vk::`anonymous namespace'::Assign
0x00007FF605C6E190 (Unity) vk::MakeRenderPassDescription
0x00007FF605C6DCAE (Unity) vk::MakeCompatibilityRenderPassDescription
0x00007FF605C963AE (Unity) vk::DeviceState::SetRenderPassSetup
0x00007FF605C72919 (Unity) GfxDeviceVKBase::SetRenderTargetsImpl
0x00007FF605C453FF (Unity) GfxDeviceWorker::RunCommand
0x00007FF605C4D4BB (Unity) GfxDeviceWorker::RunExt
0x00007FF605C4D885 (Unity) GfxDeviceWorker::RunGfxDeviceWorker
0x00007FF6067E7287 (Unity) Thread::RunThreadWrapper
0x00007FFF0B773034 (KERNEL32) BaseThreadInitThunk
0x00007FFF0DC13691 (ntdll) RtlUserThreadStart

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

Note: Crash occurs only once in a project.

Reproducible in:
2019.1.0a13.

Working Fine in:
2019.1.a12, 2018.3.0f2 (49866f0a5d12).

Environment:
Occurs only on Windows.