Merge branch 'main' into classloader-thread-init

* main:
  [Xamarin.Android.Build.Tasks] FileWrites&libraryprojectimports.cache (dotnet#7780)
  Bump to dotnet/installer@d25a3bb 8.0.100-preview.2.23105.6 (dotnet#7769)

eng/Version.Details.xml

@@ -1,20 +1,20 @@
 <Dependencies>
   <ProductDependencies>
-    <Dependency Name="Microsoft.Dotnet.Sdk.Internal" Version="8.0.100-alpha.1.23080.11">
+    <Dependency Name="Microsoft.Dotnet.Sdk.Internal" Version="8.0.100-preview.2.23107.13">
       <Uri>https://github.com/dotnet/installer</Uri>
-      <Sha>dec120944450abb58bc07a2fcdae2f4383bfd6bf</Sha>
+      <Sha>f05478ba9a4026e95306d3f8de59c70cfc0e60ce</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.NET.ILLink.Tasks" Version="8.0.100-1.23067.1" CoherentParentDependency="Microsoft.Dotnet.Sdk.Internal">
-      <Uri>https://github.com/dotnet/linker</Uri>
-      <Sha>c790896f128957acd2999208f44f09ae1e826c8c</Sha>
+    <Dependency Name="Microsoft.NET.ILLink.Tasks" Version="8.0.0-preview.2.23106.6" CoherentParentDependency="Microsoft.Dotnet.Sdk.Internal">
+      <Uri>https://github.com/dotnet/runtime</Uri>
+      <Sha>fe4760cf04dee615948848955978e6d7430982a7</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.NETCore.App.Ref" Version="8.0.0-alpha.1.23080.2" CoherentParentDependency="Microsoft.Dotnet.Sdk.Internal">
+    <Dependency Name="Microsoft.NETCore.App.Ref" Version="8.0.0-preview.2.23106.6" CoherentParentDependency="Microsoft.Dotnet.Sdk.Internal">
       <Uri>https://github.com/dotnet/runtime</Uri>
-      <Sha>9529803ae29c2804880c6bd8ca710b8c037cb498</Sha>
+      <Sha>fe4760cf04dee615948848955978e6d7430982a7</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.NET.Workload.Emscripten.Current.Manifest-8.0.100-alpha.1" Version="8.0.0-alpha.1.23077.4" CoherentParentDependency="Microsoft.NETCore.App.Ref">
+    <Dependency Name="Microsoft.NET.Workload.Emscripten.Current.Manifest-8.0.100-preview.2" Version="8.0.0-preview.2.23081.1" CoherentParentDependency="Microsoft.NETCore.App.Ref">
       <Uri>https://github.com/dotnet/emsdk</Uri>
-      <Sha>0fe864fc71191ff4ee18e59ef0af2929ca367a11</Sha>
+      <Sha>fd5a0d1b19bf0a96f6b4423150921542b0b9a90d</Sha>
     </Dependency>
   </ProductDependencies>
   <ToolsetDependencies>

eng/Versions.props

@@ -1,13 +1,13 @@
 <Project>
   <!--Package versions-->
   <PropertyGroup>
-    <MicrosoftDotnetSdkInternalPackageVersion>8.0.100-alpha.1.23080.11</MicrosoftDotnetSdkInternalPackageVersion>
-    <MicrosoftNETILLinkTasksPackageVersion>8.0.100-1.23067.1</MicrosoftNETILLinkTasksPackageVersion>
-    <MicrosoftNETCoreAppRefPackageVersion>8.0.0-alpha.1.23080.2</MicrosoftNETCoreAppRefPackageVersion>
+    <MicrosoftDotnetSdkInternalPackageVersion>8.0.100-preview.2.23107.13</MicrosoftDotnetSdkInternalPackageVersion>
+    <MicrosoftNETILLinkTasksPackageVersion>8.0.0-preview.2.23106.6</MicrosoftNETILLinkTasksPackageVersion>
+    <MicrosoftNETCoreAppRefPackageVersion>8.0.0-preview.2.23106.6</MicrosoftNETCoreAppRefPackageVersion>
     <MicrosoftDotNetApiCompatPackageVersion>7.0.0-beta.22103.1</MicrosoftDotNetApiCompatPackageVersion>
     <MicrosoftDotNetBuildTasksFeedPackageVersion>7.0.0-beta.22103.1</MicrosoftDotNetBuildTasksFeedPackageVersion>
-    <MicrosoftNETWorkloadEmscriptenCurrentManifest80100alpha1Version>8.0.0-alpha.1.23077.4</MicrosoftNETWorkloadEmscriptenCurrentManifest80100alpha1Version>
-    <MicrosoftNETWorkloadEmscriptenPackageVersion>$(MicrosoftNETWorkloadEmscriptenCurrentManifest80100alpha1Version)</MicrosoftNETWorkloadEmscriptenPackageVersion>
+    <MicrosoftNETWorkloadEmscriptenCurrentManifest80100preview2Version>8.0.0-preview.2.23081.1</MicrosoftNETWorkloadEmscriptenCurrentManifest80100preview2Version>
+    <MicrosoftNETWorkloadEmscriptenPackageVersion>$(MicrosoftNETWorkloadEmscriptenCurrentManifest80100preview2Version)</MicrosoftNETWorkloadEmscriptenPackageVersion>
     <MicrosoftTemplateEngineTasksPackageVersion>7.0.100-rc.1.22410.7</MicrosoftTemplateEngineTasksPackageVersion>
   </PropertyGroup>
   <PropertyGroup>

src/Xamarin.Android.Build.Tasks/Tests/Xamarin.Android.Build.Tests/IncrementalBuildTest.cs

@@ -857,6 +857,7 @@ public void ResolveLibraryProjectImports ([Values (true, false)] bool useAapt2)
 
 				b.BuildLogFile = "build2.log";
 				Assert.IsTrue (b.Build (proj), "second build should have succeeded.");
+				FileAssert.Exists (cacheFile);
 				var actual = ReadCache (cacheFile);
 				CollectionAssert.AreEqual (actual.Jars.Select (j => j.ItemSpec),
 					expected.Jars.Select (j => j.ItemSpec));
@@ -871,6 +872,7 @@ public void ResolveLibraryProjectImports ([Values (true, false)] bool useAapt2)
 
 				b.BuildLogFile = "build3.log";
 				Assert.IsTrue (b.Build (proj), "third build should have succeeded.");
+				FileAssert.Exists (cacheFile);
 				actual = ReadCache (cacheFile);
 				Assert.AreEqual (expected.Jars.Length + 1, actual.Jars.Length,
 					$"{nameof (expected.Jars)} should have one more item");
@@ -885,6 +887,7 @@ public void ResolveLibraryProjectImports ([Values (true, false)] bool useAapt2)
 				// Build with no changes, checking we are skipping targets appropriately
 				b.BuildLogFile = "build4.log";
 				Assert.IsTrue (b.Build (proj), "fourth build should have succeeded.");
+				FileAssert.Exists (cacheFile);
 				var targets = new List<string> {
 					"_UpdateAndroidResgen",
 					"_CompileJava",

src/Xamarin.Android.Build.Tasks/Xamarin.Android.EmbeddedResource.targets

@@ -46,6 +46,10 @@ This file is used by all project types, including binding projects.
         OutputImportDirectory="$(_AndroidLibrayProjectIntermediatePath)"
     />
     <Touch Files="$(_AndroidStampDirectory)_ResolveLibraryProjectImports.stamp" AlwaysCreate="true" />
+    <ItemGroup>
+      <FileWrites Include="$(_AndroidLibraryProjectImportsCache)"
+          Condition="Exists ('$(_AndroidLibraryProjectImportsCache)')"/>
+    </ItemGroup>
   </Target>
 
   <Target Name="_ExtractLibraryProjectImports" DependsOnTargets="_ResolveLibraryProjectImports">