Revert "Issue 27375. Use ContextBuilder to find analysis options file in analyzer_cli."

pkg/analyzer_cli/lib/src/driver.dart

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library analyzer_cli.src.driver;
 
 import 'dart:async';
 import 'dart:convert';
 import 'dart:io' as io;
 
@@ skipping 726 matching lines @@
       CommandLineOptions options) {
     file_system.File file;
     String filePath = options.analysisOptionsFile;
     if (filePath != null) {
       file = resourceProvider.getFile(filePath);
       if (!file.exists) {
         printAndFail('Options file not found: $filePath',
             exitCode: ErrorSeverity.ERROR.ordinal);
       }
     } else {
-      return new ContextBuilder(resourceProvider, null, null)
-          .getOptionsFile(options.sourceFiles.first);
+      filePath = AnalysisEngine.ANALYSIS_OPTIONS_FILE;
+      file = resourceProvider.getFile(filePath);
+      if (!file.exists) {
+        filePath = AnalysisEngine.ANALYSIS_OPTIONS_YAML_FILE;
+        file = resourceProvider.getFile(filePath);
+      }
     }
     return file;
   }
 
   /// Convert [sourcePath] into an absolute path.
   static String _normalizeSourcePath(String sourcePath) =>
       path.normalize(new io.File(sourcePath).absolute.path);
 
   static void _processAnalysisOptions(
       file_system.ResourceProvider resourceProvider,
@@ skipping 110 matching lines @@
     for (var package in packages) {
       var packageName = path.basename(package.path);
       var realPath = package.resolveSymbolicLinksSync();
       result[packageName] = [
         PhysicalResourceProvider.INSTANCE.getFolder(realPath)
       ];
     }
     return result;
   }
 }