Update all Angular libs (run update_all.sh).

third_party/pkg/angular/test/formatter/json_spec.dart

+library json_spec;
+
+import '../_specs.dart';
+
+void main() {
+  describe('json', () {
+    it('should convert primitives, array, map to json', inject((Scope scope, Parser parser, FormatterMap formatters) {
+      scope.context['foo'] = [{"string":'foo', "number": 123, "bool": false}];
+      expect(parser('foo | json').eval(scope.context, formatters)).toEqual('[{"string":"foo","number":123,"bool":false}]');
+    }));
+  });
+}