[VMR] Light up NativeAOT OSX short lanes (#19355)

eng/pipelines/templates/stages/vmr-build.yml

@@ -753,6 +753,28 @@ stages:
             targetOS: osx
             targetArchitecture: arm64
 
+        - template: ../jobs/vmr-build.yml
+          parameters:
+            buildName: OSX_ShortStack_NativeAOT
+            isBuiltFromVmr: ${{ parameters.isBuiltFromVmr }}
+            vmrBranch: ${{ variables.VmrBranch }}
+            architecture: x64
+            pool: ${{ parameters.pool_Mac }}
+            targetOS: osx
+            targetArchitecture: x64
+            extraProperties: /p:DotNetBuildRuntimeNativeAOTRuntimePack=true
+
+        - template: ../jobs/vmr-build.yml
+          parameters:
+            buildName: OSX_ShortStack_NativeAOT
+            isBuiltFromVmr: ${{ parameters.isBuiltFromVmr }}
+            vmrBranch: ${{ variables.VmrBranch }}
+            architecture: arm64
+            pool: ${{ parameters.pool_Mac }}
+            targetOS: osx
+            targetArchitecture: arm64
+            extraProperties: /p:DotNetBuildRuntimeNativeAOTRuntimePack=true
+
         - template: ../jobs/vmr-build.yml
           parameters:
             buildName: Windows

src/SourceBuild/content/Directory.Build.props

@@ -30,6 +30,8 @@
     <ShortStack Condition="'$(TargetOS)' == 'maccatalyst'">true</ShortStack>
     <ShortStack Condition="'$(TargetOS)' == 'android'">true</ShortStack>
     <ShortStack Condition="'$(TargetOS)' == 'linux-bionic'">true</ShortStack>
+    <!-- NativeAOT Mac builds are short -->
+    <ShortStack Condition="'$(TargetOS)' == 'osx' and '$(DotNetBuildRuntimeNativeAOTRuntimePack)' == 'true'">true</ShortStack>
     <!-- Short stack builds stop at runtime, not the whole SDK -->
     <RootRepo Condition="'$(ShortStack)' == 'true'">runtime</RootRepo>
   </PropertyGroup>