Update pubspecs and dependencies to get pkgbuild tests working.

third_party/pkg/angular/lib/mock/probe.dart

Index: third_party/pkg/angular/lib/mock/probe.dart
diff --git a/third_party/pkg/angular/lib/mock/probe.dart b/third_party/pkg/angular/lib/mock/probe.dart
deleted file mode 100644
index 678e3cfcce058ebc111f669e87c1599355770300..0000000000000000000000000000000000000000
--- a/third_party/pkg/angular/lib/mock/probe.dart
+++ /dev/null
@@ -1,32 +0,0 @@
-part of angular.mock;
-
-/*
- * Use Probe directive to capture the Scope, Injector and Element from any DOM
- * location into root-scope. This is useful for testing to get a hold of
- * any directive.
- *
- *    <div some-directive probe="myProbe">..</div>
- *
- *    rootScope.myProbe.directive(SomeAttrDirective);
- */
-@NgDirective(selector: '[probe]')
-class Probe implements NgDetachAware {
-  final Scope scope;
-  final Injector injector;
-  final Element element;
-  final NodeAttrs _attrs;
-
-  Probe(this.scope, this.injector, this.element, this._attrs) {
-    scope.rootScope.context[_attrs['probe']] = this;
-  }
-
-  void detach() {
-    scope.rootScope.context[_attrs['probe']] = null;
-  }
-
-  /**
-   * Retrieve a Directive at the current element.
-   */
-  directive(Type type) => injector.get(type);
-}
-