update dartdoc in DEPS to 0.9.0, add resource package to third_party/pkg

DEPS

 # Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 vars = {
   # The dart_root is the root of our sdk checkout. This is normally
   # simply sdk, but if using special gclient specs it can be different.
   "dart_root": "sdk",
 
   # We use mirrors of all github repos to guarantee reproducibility and
@@ skipping 20 matching lines @@
   "barback_tag" : "@0.15.2+7",
   "boringssl_rev" : "@daeafc22c66ad48f6b32fc8d3362eb9ba31b774e",
   "charcode_tag": "@1.1.0",
   "chrome_rev" : "@19997",
   "cli_util_tag" : "@0.0.1+2",
   "collection_rev": "@f6135e6350c63eb3f4dd12953b8d4363faff16fc",
   "convert_tag": "@1.0.0",
   "crypto_rev" : "@2df57a1e26dd88e8d0614207d4b062c73209917d",
   "csslib_tag" : "@0.12.0",
   "dart2js_info_rev" : "@0a221eaf16aec3879c45719de656680ccb80d8a1",
-  "dartdoc_tag" : "@v0.8.5",
+  "dartdoc_tag" : "@v0.9.0",
   "dart_services_rev" : "@7aea2574e6f3924bf409a80afb8ad52aa2be4f97",
   "dart_style_tag": "@0.2.4",
   "dev_compiler_rev": "@0.1.9",
   "glob_rev": "@704cf75e4f26b417505c5c611bdaacd8808467dd",
   "html_tag" : "@0.12.1+1",
   "http_tag" : "@0.11.3+3",
   "http_multi_server_tag" : "@2.0.0",
   "http_parser_tag" : "@1.1.0",
   "http_throttle_rev" : "@a81f08be942cdd608883c7b67795c12226abc235",
   "idl_parser_rev": "@6316d5982dc24b34d09dd8b10fbeaaff28d83a48",
@@ skipping 12 matching lines @@
   "observatory_pub_packages_rev": "@cf90eb9077177d3d6b3fd5e8289477c2385c026a",
   "package_config_rev": "@0.1.3",
   "path_tag": "@1.3.6",
   "ply_rev": "@604b32590ffad5cbb82e4afef1d305512d06ae93",
   "plugin_tag": "@0.1.0",
   "pool_tag": "@1.2.1",
   "pub_rev": "@bd5c77abcb609d95340632b96344b59035e70376",
   "pub_cache_tag": "@v0.1.0",
   "pub_semver_tag": "@1.2.1",
   "quiver_tag": "@0.21.4",
+  "resource_rev":"@a49101ba2deb29c728acba6fb86000a8f730f4b1",
   "root_certificates_rev": "@c3a41df63afacec62fcb8135196177e35fe72f71",
   "scheduled_test_tag": "@0.12.4+2",
   "shelf_tag": "@0.6.4+3",
   "smoke_rev" : "@f3361191cc2a85ebc1e4d4c33aec672d7915aba9",
   "source_maps_tag": "@0.10.1",
   "shelf_static_tag": "@0.2.3+1",
   "shelf_web_socket_tag": "@0.0.1+4",
   "source_map_stack_trace_tag": "@1.0.4",
   "source_span_tag": "@1.2.0",
   "stack_trace_tag": "@1.4.2",
@@ skipping 133 matching lines @@
   Var("dart_root") + "/third_party/pkg/pub_semver":
       (Var("github_mirror") % "pub_semver") + Var("pub_semver_tag"),
   Var("dart_root") + "/third_party/pkg/pub":
       (Var("github_mirror") % "pub") + Var("pub_rev"),
   Var("dart_root") + "/third_party/pkg/pub_cache":
       (Var("github_mirror") % "pub_cache") + Var("pub_cache_tag"),
   Var("dart_root") + "/third_party/pkg/quiver":
       Var("chromium_git")
       + "/external/github.com/google/quiver-dart.git"
       + Var("quiver_tag"),
+  Var("dart_root") + "/third_party/pkg/resource":
+    "https://github.com/dart-lang/resource.git" + Var("resource_rev"),
   Var("dart_root") + "/third_party/pkg/scheduled_test":
       (Var("github_mirror") % "scheduled_test") + Var("scheduled_test_tag"),
   Var("dart_root") + "/third_party/pkg/shelf":
       (Var("github_mirror") % "shelf") + Var("shelf_tag"),
   Var("dart_root") + "/third_party/pkg/shelf_static":
       (Var("github_mirror") % "shelf_static") + Var("shelf_static_tag"),
   Var("dart_root") + "/third_party/pkg/shelf_web_socket":
       (Var("github_mirror") % "shelf_web_socket") +
       Var("shelf_web_socket_tag"),
   Var("dart_root") + "/third_party/pkg/smoke":
@@ skipping 183 matching lines @@
       "--no_resume",
       "--bucket",
       "dart-dependencies",
       "--platform=linux*",
       "--extract",
       "-s",
       Var('dart_root') + "/third_party/clang.tar.gz.sha1",
     ],
   },
 ]