Add packages to the client.dart.packages buildbot.
Add packages to the client.dart.packages buildbot.

BUG=https://github.com/dart-lang/sdk/issues/25288

Review URL: https://codereview.chromium.org/1715693002

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@298901 0039d316-1c4b-4281-b951-d872f2087c98

eunchong/build,eunchong/build,eunchong/build,eunchong/build