Include info about which analyzers enable concurrency in AnalyzerReport

[RikkiGibson]

Closes #82480

Example output when some analyzers are not concurrent:

Microsoft (R) Visual C# Compiler version 5.5.0-dev (<developer build>)
Copyright (C) Microsoft Corporation. All rights reserved.

CommandLineTests.cs_9429_03ce48da-fa09-4d79-afc2-715de31a2eef.tmp(1,7): info SP0001: Diagnostic 'Warning01: Throwing a diagnostic for types declared' was programmatically suppressed by a DiagnosticSuppressor with suppression ID 'Suppressor01' and justification 'Suppress Warning01'
CommandLineTests.cs_9429_03ce48da-fa09-4d79-afc2-715de31a2eef.tmp(1,7): warning ConcurrentAnalyzerId: ConcurrentAnalyzerMessage for symbol 'C'
NOTE: Elapsed time may be less than analyzer execution time because analyzers can run concurrently.

Total analyzer execution time: 0.141 seconds.

Time (s)    %   Analyzer
   0.124   87   Microsoft.CodeAnalysis.Test.Utilities, Version=42.42.42.42, Culture=neutral, PublicKeyToken=31bf3856ad364e35
   0.119   84      Microsoft.CodeAnalysis.CommonDiagnosticAnalyzers+ConcurrentAnalyzer (ConcurrentAnalyzerId)
   0.005    3      Microsoft.CodeAnalysis.CommonDiagnosticAnalyzers+DiagnosticSuppressorForId (Suppressor01)

   0.017   12   Microsoft.CodeAnalysis.CSharp.CommandLine.UnitTests, Version=42.42.42.42, Culture=neutral, PublicKeyToken=31bf3856ad364e35
   0.017   12      Microsoft.CodeAnalysis.CSharp.CommandLine.UnitTests.WarningDiagnosticAnalyzer (Warning01)

Analyzers that have not enabled concurrent execution:
   Microsoft.CodeAnalysis.CSharp.CommandLine.UnitTests, Version=42.42.42.42, Culture=neutral, PublicKeyToken=31bf3856ad364e35
      Microsoft.CodeAnalysis.CSharp.CommandLine.UnitTests.WarningDiagnosticAnalyzer

Total generator execution time: 0.013 seconds.

Time (s)    %   Generator
  <0.001   <1   Microsoft.CodeAnalysis.Compiler.Test.Resources, Version=42.42.42.42, Culture=neutral, PublicKeyToken=31bf3856ad364e35
  <0.001   <1      TestResources.Analyzers.DoNothingGenerator

Example output when all analyzers are concurrent:

Microsoft (R) Visual C# Compiler version 5.5.0-dev (<developer build>)
Copyright (C) Microsoft Corporation. All rights reserved.

CommandLineTests.cs_9460_f1efd71e-cdf4-4da6-bebd-2dce1b204b21.tmp(1,7): warning ConcurrentAnalyzerId: ConcurrentAnalyzerMessage for symbol 'C'
NOTE: Elapsed time may be less than analyzer execution time because analyzers can run concurrently.

Total analyzer execution time: 0.142 seconds.

Time (s)    %   Analyzer
   0.142  100   Microsoft.CodeAnalysis.Test.Utilities, Version=42.42.42.42, Culture=neutral, PublicKeyToken=31bf3856ad364e35
   0.142   99      Microsoft.CodeAnalysis.CommonDiagnosticAnalyzers+ConcurrentAnalyzer (ConcurrentAnalyzerId)
  <0.001   <1      Microsoft.CodeAnalysis.CommonDiagnosticAnalyzers+DiagnosticSuppressorForId (Suppressor01)

All analyzers have enabled concurrent execution.

Total generator execution time: 0.013 seconds.

Time (s)    %   Generator
  <0.001   <1   Microsoft.CodeAnalysis.Compiler.Test.Resources, Version=42.42.42.42, Culture=neutral, PublicKeyToken=31bf3856ad364e35
  <0.001   <1      TestResources.Analyzers.DoNothingGenerator

[RikkiGibson]

I'm unsure how the grouping of these messages works in the binlog viewer or where the "Analyzer Report"/"Generator Report" headers come from.

I think just reordering the logs could give a better result.

[AlekseyTs]

The PR title doesn't sound as an action and doesn't describe what is done

[AlekseyTs]

LGTM (commit 2)

[RikkiGibson]

@JoeRobich let me know that the binlog viewer is special casing some of the diagnostic messages to show them in a structured form.

https://github.com/KirillOsenkov/MSBuildStructuredLog/blob/main/src/StructuredLogger/Analyzers/CscTaskAnalyzer.cs#L24

I think it's not really worth trying to change the order of messages as currently implemented in this PR. It seems reasonable to send a PR to the binlog viewer, to show this new output in a structured form.

[RikkiGibson]

RuntimeAsync and UsedAssemblies jobs have "dead-lettered" and need to be rerun.

[AlekseyTs]

LGTM (commit 3)