Rollback pkg/analyzer that breaks code_transformers

pkg/analyzer/test/generated/scanner_test.dart

Index: pkg/analyzer/test/generated/scanner_test.dart
diff --git a/pkg/analyzer/test/generated/scanner_test.dart b/pkg/analyzer/test/generated/scanner_test.dart
index 5d91c7bd51a3ffc231dc325dc53f830468a252a8..a0769fed020ba17aba3e040fd3bb84ee980111bb 100644
--- a/pkg/analyzer/test/generated/scanner_test.dart
+++ b/pkg/analyzer/test/generated/scanner_test.dart
@@ -1880,13 +1880,17 @@ class ScannerTest extends JUnitTestCase {
  * of a given offset in source code.
  */
 class ScannerTest_ExpectedLocation {
-  final int _offset;
+  int _offset = 0;
 
-  final int _lineNumber;
+  int _lineNumber = 0;
 
-  final int _columnNumber;
+  int _columnNumber = 0;
 
-  ScannerTest_ExpectedLocation(this._offset, this._lineNumber, this._columnNumber);
+  ScannerTest_ExpectedLocation(int offset, int lineNumber, int columnNumber) {
+    this._offset = offset;
+    this._lineNumber = lineNumber;
+    this._columnNumber = columnNumber;
+  }
 }
 
 class IncrementalScannerTest extends EngineTestCase {