Add samus paladin and release configurations.
Add samus paladin and release configurations.

BUG=chromium:279615
TEST=cbuildbot_config_unittests.py

Change-Id: I6f4e7ce94a09e9a2f7696968e0fcdc2572d627b2
Reviewed-on: https://chromium-review.googlesource.com/168850
Tested-by: Mike Stipicevic <ccb34296aef17401001f8797fd231ebed0251c8d@chromium.org>
Reviewed-by: Bernie Thompson <88a16a105b67ec86732da208bff06a7d4d211801@chromium.org>
Reviewed-by: David James <f231dc574bbeb62604660cbc162d1b8642a0a3af@chromium.org>
Commit-Queue: Mike Stipicevic <ccb34296aef17401001f8797fd231ebed0251c8d@chromium.org>

bpsinc-native/src_third_party_chromite,chadversary/chromiumos.chromite,bpsinc-native/src_third_party_chromite,bpsinc-native/src_third_party_chromite,chadversary/chromiumos.chromite