Merge pull request #78077 from dotnet/LinkerIntoRuntime2

Merge ILLink from the dotnet/linker repo into the runtime repo

Tests are working, but packages are not publishing. Follow-up issues at https://github.com/dotnet/runtime/issues/78334

diff --cc Directory.Build.props
Simple merge

diff --cc eng/Subsets.props
Simple merge

diff --cc eng/Version.Details.xml
Simple merge

diff --cc eng/Versions.props
index e79b676,e973a8e..0784184
--- 1/eng/Versions.props
--- 2/eng/Versions.props
+++ b/eng/Versions.props
@@@ -207,8 -210,14 +210,14 @@@
      <!-- ILLink -->
      <MicrosoftNETILLinkTasksVersion>7.0.100-1.22552.1</MicrosoftNETILLinkTasksVersion>
      <MicrosoftNETILLinkAnalyzerPackageVersion>$(MicrosoftNETILLinkTasksVersion)</MicrosoftNETILLinkAnalyzerPackageVersion>
+     <!-- Mono Cecil -->
+     <MicrosoftDotNetCecilVersion>0.11.4-alpha.22524.1</MicrosoftDotNetCecilVersion>
+     <MicrosoftDotNetCecilPdbVersion>$(MicrosoftDotNetCecilVersion)</MicrosoftDotNetCecilPdbVersion>
+     <!-- ILLink dependencies -->
+     <MicrosoftBuildFrameworkVersion>17.0.0-preview-21267-01</MicrosoftBuildFrameworkVersion>
+     <MicrosoftBuildUtilitiesCoreVersion>17.0.0-preview-21267-01</MicrosoftBuildUtilitiesCoreVersion>
      <!-- ICU -->
 -    <MicrosoftNETCoreRuntimeICUTransportVersion>8.0.0-alpha.1.22553.1</MicrosoftNETCoreRuntimeICUTransportVersion>
 +    <MicrosoftNETCoreRuntimeICUTransportVersion>8.0.0-alpha.1.22557.1</MicrosoftNETCoreRuntimeICUTransportVersion>
      <!-- MsQuic -->
      <MicrosoftNativeQuicMsQuicVersion>2.1.1</MicrosoftNativeQuicMsQuicVersion>
      <SystemNetMsQuicTransportVersion>7.0.0-alpha.1.22406.1</SystemNetMsQuicTransportVersion>