Add support for new dartium bots to archiver

Add support for new dartium bots to archiver

BUG=
R=kustermann@google.com

Committed: https://github.com/dart-lang/sdk/commit/09e15a425ee6d9a2aaaa3df7ef51847991d37c90

[Bill Hesse, 2016-09-06 14:51:38]

whesse@google.com changed reviewers:
+ kustermann@google.com

[kustermann, 2016-09-06 14:59:25]

lgtm

https://codereview.chromium.org/2312223002/diff/1/tools/dartium/upload_steps.py
File tools/dartium/upload_steps.py (right):

https://codereview.chromium.org/2312223002/diff/1/tools/dartium/upload_steps....
tools/dartium/upload_steps.py:64: self.mode = 'Release'
Why don't we have support for release/debug?

[Bill Hesse, 2016-09-06 15:18:32]

Description was changed from

==========
Add support for new dartium bots to archiver

BUG=
==========

to

==========
Add support for new dartium bots to archiver

BUG=
R=kustermann@google.com

Committed:
https://github.com/dart-lang/sdk/commit/09e15a425ee6d9a2aaaa3df7ef51847991d37c90
==========

[Bill Hesse, 2016-09-06 15:18:33]

Committed patchset #1 (id:1) manually as
09e15a425ee6d9a2aaaa3df7ef51847991d37c90 (presubmit successful).

[Bill Hesse, 2016-09-06 15:32:55]

https://codereview.chromium.org/2312223002/diff/1/tools/dartium/upload_steps.py
File tools/dartium/upload_steps.py (right):

https://codereview.chromium.org/2312223002/diff/1/tools/dartium/upload_steps....
tools/dartium/upload_steps.py:64: self.mode = 'Release'
On 2016/09/06 14:59:25, kustermann wrote:
> Why don't we have support for release/debug?

Because we don't need it, we don't have debug bots (except on FYI, which we have
ignored for a year), and dartium will be phased out soon, and we can add support
for debug easily if we ever need it.