[master] Update dependencies from dotnet/corefx (dotnet/coreclr#24883)

[master] Update dependencies from dotnet/corefx (dotnet/coreclr#24883)

* Update dependencies from https://github.com/dotnet/corefx build 20190603.11

- Microsoft.Bcl.AsyncInterfaces - 1.0.0-preview7.19303.11
- Microsoft.NETCore.Platforms - 3.0.0-preview7.19303.11
- Microsoft.Private.CoreFx.NETCoreApp - 4.6.0-preview7.19303.11

* Add Microsoft.Diagnostics.Runtime to CoreFx.depproj

* Remove removed commands from RunTests.cmd/sh

Commit migrated from https://github.com/dotnet/coreclr/commit/3c01e17de0c6651d4049c5ed5e4ac2d8ee5ae8c9