Add tests for the various incarnations of Manage Launches

R=danrubel@google.com

Review URL: https://codereview.chromium.org//563953002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@40197 260f80e4-7a28-3924-810f-c04153c831b5
gracefully handle internal exceptions during request
- new SERVER_ERROR response code
- return SERVER_ERROR response if exception when processing request before request can be sent
- send server.error notification if exception occurs anytime while processing request or future work triggered by request

BUG=dartbug.com/20893
R=brianwilkerson@google.com, paulberry@google.com

Review URL: https://codereview.chromium.org//570453002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@40198 260f80e4-7a28-3924-810f-c04153c831b5
fix path in generated comment

BUG=
R=paulberry@google.com

Review URL: https://codereview.chromium.org//565773002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@40199 260f80e4-7a28-3924-810f-c04153c831b5
Skip co19/LibTest/collection/ListMixin/ListMixin_class_A01_t02 on dartium android

It is flaky timing out.

TBR=whesse@google.com

Review URL: https://codereview.chromium.org//570553002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@40200 260f80e4-7a28-3924-810f-c04153c831b5
Remove suppressions for ie9

R=blois@google.com, whesse@google.com

Review URL: https://codereview.chromium.org//562883002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@40201 260f80e4-7a28-3924-810f-c04153c831b5