Add MB config for linux_chromium_chromeos_rel_ng.

Add MB config for linux_chromium_chromeos_rel_ng.

We missed the tryserver config when adding the CI config.

TBR=aneeshm@chromium.org
BUG=481692
Committed: https://chromium.googlesource.com/chromium/src/+/c27b386c0534256169253dfdd5fffef15061099e

[commit-bot: I haz the power, 2016-03-31 21:43:56]

Description was changed from

==========
Add MB config for linux_chromium_chromeos_rel_ng.

We missed the tryserver config when adding the CI config.

TBR=aneeshm@chromium.org
BUG=481692
==========

to

==========
Add MB config for linux_chromium_chromeos_rel_ng.

We missed the tryserver config when adding the CI config.

TBR=aneeshm@chromium.org
BUG=481692

Committed: https://crrev.com/c27b386c0534256169253dfdd5fffef15061099e
Cr-Commit-Position: refs/heads/master@{#384400}
==========

[commit-bot: I haz the power, 2016-03-31 21:43:57]

Patchset 1 (id:??) landed as
https://crrev.com/c27b386c0534256169253dfdd5fffef15061099e
Cr-Commit-Position: refs/heads/master@{#384400}

[Dirk Pranke, 2016-03-31 21:44:33]

Description was changed from

==========
Add MB config for linux_chromium_chromeos_rel_ng.

We missed the tryserver config when adding the CI config.

TBR=aneeshm@chromium.org
BUG=481692

Committed: https://crrev.com/c27b386c0534256169253dfdd5fffef15061099e
Cr-Commit-Position: refs/heads/master@{#384400}
==========

to

==========
Add MB config for linux_chromium_chromeos_rel_ng.

We missed the tryserver config when adding the CI config.

TBR=aneeshm@chromium.org
BUG=481692

Committed:
https://chromium.googlesource.com/chromium/src/+/c27b386c0534256169253dfdd5ff...
==========

[Dirk Pranke, 2016-03-31 21:44:34]

Committed patchset #1 (id:1) manually as
c27b386c0534256169253dfdd5fffef15061099e (presubmit successful).