Revert "Update all Angular libs (run update_all.sh)."

third_party/pkg/angular/lib/filter/lowercase.dart

Index: third_party/pkg/angular/lib/filter/lowercase.dart
diff --git a/third_party/pkg/angular/lib/formatter/lowercase.dart b/third_party/pkg/angular/lib/filter/lowercase.dart
similarity index 62%
rename from third_party/pkg/angular/lib/formatter/lowercase.dart
rename to third_party/pkg/angular/lib/filter/lowercase.dart
index 004a837f5b06b8fc84712b9c9ebf0f4b9272f363..650229c95a06eb8dadaca58056593f3d19d839ed 100644
--- a/third_party/pkg/angular/lib/formatter/lowercase.dart
+++ b/third_party/pkg/angular/lib/filter/lowercase.dart
@@ -1,4 +1,4 @@
-part of angular.formatter_internal;
+part of angular.filter;
 
 /**
  * Converts string to lowercase.
@@ -7,7 +7,7 @@ part of angular.formatter_internal;
  *
  *     {{ lowercase_expression | lowercase }}
  */
-@Formatter(name:'lowercase')
-class Lowercase implements Function {
+@NgFilter(name:'lowercase')
+class LowercaseFilter {
   call(String text) => text == null ? text : text.toLowerCase();
 }