Move Logging Generator and attribute to Logging.Abstractions (#52256)

* Move Logging Generator and LoggerMessageAttribute to Logging.Abstractions

Fixes: #52222

src/libraries/Microsoft.Extensions.Logging.Abstractions/pkg/Microsoft.Extensions.Logging.Abstractions.pkgproj

@@ -4,6 +4,7 @@
     <ProjectReference Include="..\src\Microsoft.Extensions.Logging.Abstractions.csproj">
       <SupportedFramework>net461;netcoreapp2.0;uap10.0.16299;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
+    <ProjectReference Include="..\gen\Microsoft.Extensions.Logging.Generators.csproj" />
   </ItemGroup>
   <Import Project="$([MSBuild]::GetPathOfFileAbove(Directory.Build.targets))" />
 </Project> 

src/libraries/Microsoft.Extensions.Logging.Abstractions/ref/Microsoft.Extensions.Logging.Abstractions.cs

@@ -115,6 +115,15 @@ public static partial class LoggerMessage
         public static System.Action<Microsoft.Extensions.Logging.ILogger, T1, T2, T3, T4, T5, T6, System.Exception?> Define<T1, T2, T3, T4, T5, T6>(Microsoft.Extensions.Logging.LogLevel logLevel, Microsoft.Extensions.Logging.EventId eventId, string formatString) { throw null; }
         public static System.Action<Microsoft.Extensions.Logging.ILogger, T1, T2, T3, T4, T5, T6, System.Exception?> Define<T1, T2, T3, T4, T5, T6>(Microsoft.Extensions.Logging.LogLevel logLevel, Microsoft.Extensions.Logging.EventId eventId, string formatString, bool skipEnabledCheck) { throw null; }
     }
+    [System.AttributeUsageAttribute(System.AttributeTargets.Method)]
+    public sealed partial class LoggerMessageAttribute : System.Attribute
+    {
+        public LoggerMessageAttribute() { }
+        public int EventId { get { throw null; } set { } }
+        public string? EventName { get { throw null; } set { } }
+        public Microsoft.Extensions.Logging.LogLevel Level { get { throw null; } set { } }
+        public string Message { get { throw null; } set { } }
+    }
     public partial class Logger<T> : Microsoft.Extensions.Logging.ILogger, Microsoft.Extensions.Logging.ILogger<T>
     {
         public Logger(Microsoft.Extensions.Logging.ILoggerFactory factory) { }

src/libraries/Microsoft.Extensions.Logging/tests/Microsoft.Extensions.Logging.Generators.Tests/Microsoft.Extensions.Logging.Generators.Tests.csproj → src/libraries/Microsoft.Extensions.Logging.Abstractions/tests/Microsoft.Extensions.Logging.Generators.Tests/Microsoft.Extensions.Logging.Generators.Tests.csproj

@@ -13,7 +13,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <ProjectReference Include="$(LibrariesProjectRoot)Microsoft.Extensions.Logging\src\Microsoft.Extensions.Logging.csproj" />
+    <ProjectReference Include="$(LibrariesProjectRoot)Microsoft.Extensions.Logging.Abstractions\src\Microsoft.Extensions.Logging.Abstractions.csproj" />
     <PackageReference Include="Microsoft.CodeAnalysis" Version="$(MicrosoftCodeAnalysisVersion)" />
     <PackageReference Include="SQLitePCLRaw.bundle_green" Version="$(SQLitePCLRawbundle_greenVersion)" />
     <ProjectReference Include="..\..\gen\Microsoft.Extensions.Logging.Generators.csproj" OutputItemType="Analyzer" ReferenceOutputAssembly="true" />

src/libraries/Microsoft.Extensions.Logging/pkg/Microsoft.Extensions.Logging.pkgproj

@@ -4,7 +4,6 @@
     <ProjectReference Include="..\src\Microsoft.Extensions.Logging.csproj">
       <SupportedFramework>net461;netcoreapp2.0;uap10.0.16299;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
-    <ProjectReference Include="..\gen\Microsoft.Extensions.Logging.Generators.csproj" />
   </ItemGroup>
   <Import Project="$([MSBuild]::GetPathOfFileAbove(Directory.Build.targets))" />
 </Project> 

src/libraries/Microsoft.Extensions.Logging/ref/Microsoft.Extensions.Logging.cs

@@ -85,15 +85,6 @@ public LoggerFilterRule(string providerName, string categoryName, Microsoft.Exte
         public string ProviderName { get { throw null; } }
         public override string ToString() { throw null; }
     }
-    [System.AttributeUsageAttribute(System.AttributeTargets.Method)]
-    public sealed partial class LoggerMessageAttribute : System.Attribute
-    {
-        public LoggerMessageAttribute() { }
-        public int EventId { get { throw null; } set { } }
-        public string? EventName { get { throw null; } set { } }
-        public Microsoft.Extensions.Logging.LogLevel Level { get { throw null; } set { } }
-        public string Message { get { throw null; } set { } }
-    }
     public static partial class LoggingBuilderExtensions
     {
         public static Microsoft.Extensions.Logging.ILoggingBuilder AddProvider(this Microsoft.Extensions.Logging.ILoggingBuilder builder, Microsoft.Extensions.Logging.ILoggerProvider provider) { throw null; }