fix: Builds failing intermittently on Windows (#4146)

* fix: Builds failing intermittently on Windows

Resolves #4091:
- #4091

#skip-changelog

Author: jamescrosswell

test/Sentry.Android.AssemblyReader.Tests/Sentry.Android.AssemblyReader.Tests.csproj

@@ -16,11 +16,19 @@
     <Folder Include="TestAPKs\" />
   </ItemGroup>
 
+  <!-- Target to ensure AndroidTestApp is restored -->
+  <Target Name="EnsureAndroidTestAppRestored" Condition="'$(TargetPlatformIdentifier)' != 'android' and '$(AndroidTestAppRestored)' != 'true'">
+    <!-- Only restore once. Spawn as a separate process to escape any "no-restore" arguments to the build -->
+    <Exec Command="dotnet restore ../AndroidTestApp/AndroidTestApp.csproj --nologo" />
+    <PropertyGroup>
+      <AndroidTestAppRestored>true</AndroidTestAppRestored>
+    </PropertyGroup>
+  </Target>
+
   <!--  Build the Android test app in various configurations during the build of this test project. -->
-  <Target Name="BuildTestAPKs" BeforeTargets="DispatchToInnerBuilds;BeforeBuild" Condition="'$(TargetPlatformIdentifier)' != 'android'">
-    <MSBuild Projects="..\AndroidTestApp\AndroidTestApp.csproj" Targets="Restore" />
-    <MSBuild Projects="$(MSBuildProjectFile)" Targets="_InnerBuildTestAPKs" Properties="TargetFramework=net8.0-android" />
-    <MSBuild Projects="$(MSBuildProjectFile)" Targets="_InnerBuildTestAPKs" Properties="TargetFramework=net9.0-android" />
+  <Target Name="BuildTestAPKs" BeforeTargets="DispatchToInnerBuilds;BeforeBuild" DependsOnTargets="EnsureAndroidTestAppRestored" Condition="'$(TargetPlatformIdentifier)' != 'android'">
+    <MSBuild Projects="$(MSBuildProjectFile)" Targets="_InnerBuildTestAPKs" Properties="TargetFramework=net8.0-android" Condition="$(TargetFramework) == 'net8.0'" />
+    <MSBuild Projects="$(MSBuildProjectFile)" Targets="_InnerBuildTestAPKs" Properties="TargetFramework=net9.0-android" Condition="$(TargetFramework) == 'net9.0'" />
   </Target>
   <Target Name="_InnerBuildTestAPKs">
     <MSBuild Projects="$(MSBuildProjectFile)" Targets="_BuildTestAPK" Properties="_Aot=False;_Store=False;_Compressed=False" />