Update pubspecs and dependencies to get pkgbuild tests working.

third_party/pkg/angular/lib/tools/template_cache_annotation.dart

Index: third_party/pkg/angular/lib/tools/template_cache_annotation.dart
diff --git a/third_party/pkg/angular/lib/tools/template_cache_annotation.dart b/third_party/pkg/angular/lib/tools/template_cache_annotation.dart
deleted file mode 100644
index 111ed1a519d36ec4bf26821030eb52b007dad2a1..0000000000000000000000000000000000000000
--- a/third_party/pkg/angular/lib/tools/template_cache_annotation.dart
+++ /dev/null
@@ -1,21 +0,0 @@
-library angular.template_cache_annotation;
-
-/**
- * Annotation which will control the caching behavior of objects in the
- * template_cache.
- *
- * Primary use cases are:
- *   - Adding URLs to the cache which cannot be automatically gathered from
- *   NgComponent annotations.
- *   - Adding annotation to an NgComponent to remove it from the template cache.
- */
-class NgTemplateCache {
-  // List of strings to add to the template cache.
-  final List<String> preCacheUrls;
-  // Whether to cache these resources in the template cache. Primary use is to
-  // override the default caching behavior for NgComponent annotation.
-  final bool cache;
-
-  const NgTemplateCache(
-      {this.preCacheUrls : const <String> [], this.cache : true});
-}