[Benchmark X64] [MihaZupan] Add specialized FrozenSet implementations for byte and char

[MihuBot]

Job completed in 9 minutes 56 seconds.

Using arguments: benchmark Perf_Frozen -medium -NoPRLink

ERROR: System.Exception: bash build.sh clr+libs -c Release -p:RunAnalyzers=false -p:ApiCompatValidateAssemblies=false failed with exit code 1
   at Runner.JobBase.RunProcessAsync(String fileName, String arguments, List`1 output, String logPrefix, String workDir, Boolean checkExitCode, Func`2 processLogs, Boolean suppressOutputLogs, Boolean suppressStartingLog, ProcessPriorityClass priority, List`1 envVars, CancellationToken cancellationToken) in /home/runtime-utils/Runner/JobBase.cs:line 401
   at Runner.Jobs.BenchmarkLibrariesJob.<BuildRuntimeAsync>g__BuildAndCopyRuntimeBranchBitsAsync|3_0(String branch) in /home/runtime-utils/Runner/Jobs/BenchmarkLibrariesJob.cs:line 114
   at Runner.Jobs.BenchmarkLibrariesJob.BuildRuntimeAsync() in /home/runtime-utils/Runner/Jobs/BenchmarkLibrariesJob.cs:line 103
   at Runner.Jobs.BenchmarkLibrariesJob.RunJobCoreAsync() in /home/runtime-utils/Runner/Jobs/BenchmarkLibrariesJob.cs:line 13
   at Runner.JobBase.RunJobAsync() in /home/runtime-utils/Runner/JobBase.cs:line 121

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