Generate suggestions for workloads to install

[dsplaisted]

Finishes #13849

[dotnet-issue-labeler]

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

[dsplaisted]

@dotnet/dotnet-cli I've retargeted this to preview 5, and updated the error message. Now it looks like this:

c:\git\dotnet-sdk2\artifacts\bin\redist\Debug\dotnet\sdk\6.0.100-dev\Sdks\Microsoft.NET.Sdk\targets\Microsoft.NET.Sdk.ImportWorkloads.targets(33,5): error NETSDK1147: To build this project, the following workloads must be installed: microsoft-android-sdk-full [c:\git\dotnet-sdk2\artifacts\tmp\Debug\It_should_fai---14415423\WorkloadTest\WorkloadTest.csproj]
c:\git\dotnet-sdk2\artifacts\bin\redist\Debug\dotnet\sdk\6.0.100-dev\Sdks\Microsoft.NET.Sdk\targets\Microsoft.NET.Sdk.ImportWorkloads.targets(33,5): error NETSDK1147: To install these workloads, run the following command: dotnet workload install microsoft-android-sdk-full [c:\git\dotnet-sdk2\artifacts\tmp\Debug\It_should_fai---14415423\WorkloadTest\WorkloadTest.csproj]