SDK content diffs - .NET 9 Preview 1 - dotnet-watch

[ellahathaway]

Microsoft and source-built SDKs contain the following difference related to dotnet-watch content and packages. There should be no unintentional differences.

All intentional differences should be captured in SDK diff exclusion file:

Files only present in Microsoft-built SDK:

./sdk/x.y.z/DotnetTools/dotnet-watch/x.y.z/tools/netx.y/any/Microsoft.CodeAnalysis.ExternalAccess.RazorCompiler.dll
./sdk/x.y.z/DotnetTools/dotnet-watch/x.y.z/tools/netx.y/any/Microsoft.Extensions.DependencyInjection.Abstractions.dll
./sdk/x.y.z/DotnetTools/dotnet-watch/x.y.z/tools/netx.y/any/Microsoft.Extensions.Logging.Abstractions.dll
./sdk/x.y.z/DotnetTools/dotnet-watch/x.y.z/tools/netx.y/any/System.Security.Cryptography.Pkcs.dll
./sdk/x.y.z/DotnetTools/dotnet-watch/x.y.z/tools/netx.y/any/System.Security.Cryptography.Xml.dll

Files only present in Source-built SDK:

./sdk/x.y.z/DotnetTools/dotnet-watch/x.y.z/tools/netx.y/any/BuildHost-netcore/Microsoft.CodeAnalysis.Workspaces.MSBuild.BuildHost.deps.json

Related to #4013

[dotnet-issue-labeler]

I couldn't figure out the best area label to add to this issue. If you have write-permissions please help me learn by adding exactly one area label.

[ellahathaway]

./sdk/x.y.z/DotnetTools/dotnet-watch/x.y.z/tools/netx.y/any/Microsoft.CodeAnalysis.ExternalAccess.RazorCompiler.dll is expected per #4016 (comment)