Start unraveling circularities between analyzer and front_end/kernel.

pkg/analyzer/lib/src/fasta/analyzer.dart

Index: pkg/analyzer/lib/src/fasta/analyzer.dart
diff --git a/pkg/front_end/lib/src/fasta/analyzer/analyzer.dart b/pkg/analyzer/lib/src/fasta/analyzer.dart
similarity index 84%
rename from pkg/front_end/lib/src/fasta/analyzer/analyzer.dart
rename to pkg/analyzer/lib/src/fasta/analyzer.dart
index da536e6bf8651f0780a54da2ab98fa3509591b48..e8cc144b318711609f37ff6f36473623e35bee76 100644
--- a/pkg/front_end/lib/src/fasta/analyzer/analyzer.dart
+++ b/pkg/analyzer/lib/src/fasta/analyzer.dart
@@ -8,13 +8,13 @@ import 'package:analyzer/analyzer.dart' show AstNode;
 
 import 'package:analyzer/dart/element/element.dart' show LocalElement;
 
-import 'package:kernel/analyzer/ast_from_analyzer.dart' show ExpressionScope;
+import 'package:analyzer/src/kernel/ast_from_analyzer.dart' show ExpressionScope;
 
 import 'package:kernel/ast.dart' show Library, TreeNode;
 
-import '../builder/scope.dart' show Scope;
+import 'package:front_end/src/fasta/builder/scope.dart' show Scope;
 
-import '../kernel/kernel_builder.dart'
+import 'package:front_end/src/fasta/kernel/kernel_builder.dart'
     show Builder, KernelFormalParameterBuilder;
 
 import 'element_store.dart' show ElementStore;