Add cloudrobotics-core for bazel compatibility test runs (#470)

* Add cloudrobotics-core for bazel compatibility test runs

* Update bazelci.py

* Also add a http config.
diff --git a/buildkite/bazelci.py b/buildkite/bazelci.py
index e68586d..94bdd00 100644
--- a/buildkite/bazelci.py
+++ b/buildkite/bazelci.py
@@ -118,6 +118,11 @@
         "http_config": "https://raw.githubusercontent.com/bazelbuild/intellij/master/.bazelci/clion.yml",
         "pipeline_slug": "clion-plugin",
     },
+    "cloud-robotics core": {
+        "git_repository": "https://github.com/googlecloudrobotics/core.git",
+        "http_config": "https://raw.githubusercontent.com/bazelbuild/continuous-integration/master/buildkite/pipelines/cloud-robotics-postsubmit.yml",
+        "pipeline_slug": "cloud-robotics-core",
+    },
     "Gerrit": {
         "git_repository": "https://gerrit.googlesource.com/gerrit.git",
         "http_config": "https://raw.githubusercontent.com/bazelbuild/continuous-integration/master/buildkite/pipelines/gerrit-postsubmit.yml",