Revert "Use single InputPackagesResultProvider, without SdkSummaryResultProvider."

pkg/analysis_server/lib/src/services/correction/fix_internal.dart

Index: pkg/analysis_server/lib/src/services/correction/fix_internal.dart
diff --git a/pkg/analysis_server/lib/src/services/correction/fix_internal.dart b/pkg/analysis_server/lib/src/services/correction/fix_internal.dart
index 2a904262bbb59be539e4a8788e0ba71e52959435..c29be046eae2caa6b2598d853f422c789962d5e6 100644
--- a/pkg/analysis_server/lib/src/services/correction/fix_internal.dart
+++ b/pkg/analysis_server/lib/src/services/correction/fix_internal.dart
@@ -1011,9 +1011,6 @@ class FixProcessor {
       }
       staticModifier = _inStaticContext();
     }
-    if (targetClassElement.librarySource.isInSystemLibrary) {
-      return;
-    }
     utils.targetClassElement = targetClassElement;
     // prepare target ClassDeclaration
     AstNode targetTypeNode = getParsedClassElementNode(targetClassElement);
@@ -1147,9 +1144,6 @@ class FixProcessor {
       }
       staticModifier = _inStaticContext();
     }
-    if (targetClassElement.librarySource.isInSystemLibrary) {
-      return;
-    }
     utils.targetClassElement = targetClassElement;
     // prepare target ClassDeclaration
     AstNode targetTypeNode = getParsedClassElementNode(targetClassElement);
@@ -2020,9 +2014,6 @@ class FixProcessor {
           return;
         }
         ClassElement targetClassElement = targetType.element as ClassElement;
-        if (targetClassElement.librarySource.isInSystemLibrary) {
-          return;
-        }
         targetElement = targetClassElement;
         // prepare target ClassDeclaration
         AstNode targetTypeNode = getParsedClassElementNode(targetClassElement);