Fix path for angular_analyzer_plugin

PiperOrigin-RevId: 246932118

Author: alorenzen

angular/tools/analyzer_plugin/pubspec.yaml

@@ -4,7 +4,7 @@ description: This pubspec determines the version of the analyzer plugin to load
 environment:
   sdk: ">=2.3.0-dev.0.1 <3.0.0"
 dependencies:
-  third_party.dart.angular.angular_analyzer_plugin: '1.0.0-alpha'
+  angular_analyzer_plugin: '1.0.0-alpha'
 
 # === vvv REMOVE WHEN PUBLISHING vvv ===
 dependency_overrides: