Add mcp/ussuri support

Related-Issue: PRODX-5048
Change-Id: I8c3caa5bfbda06d901f38b27ca6b47982e22f180
diff --git a/.gitreview b/.gitreview
index 6daaa1f..b195830 100644
--- a/.gitreview
+++ b/.gitreview
@@ -2,3 +2,5 @@
 host=gerrit.mcp.mirantis.com
 port=29418
 project=packaging/docker/dashboard-selenium.git
+defaultbranch=mcp/ussuri
+defaultremote=origin
diff --git a/Dockerfile b/Dockerfile
index b044a9c..93b79b7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-#Dockerfile of branch mcp/train
+#Dockerfile of branch mcp/ussuri
 ARG FROM=ubuntu:bionic
 FROM $FROM
 
@@ -30,4 +30,3 @@
 WORKDIR /opt/horizon
 
 RUN pip3 install -r requirements.txt -r test-requirements.txt -c requirements/upper-constraints.txt
-
diff --git a/pre-build.sh b/pre-build.sh
index e694430..a67383a 100644
--- a/pre-build.sh
+++ b/pre-build.sh
@@ -11,7 +11,6 @@
 REQUIREMENTS_REPO="${GERRIT_SCHEME}://${GERRIT_NAME}@${GERRIT_HOST_PORT}/packaging/sources/requirements"
 
 git clone ${HORIZON_LIB_REPO}
-cd horizon/ ; git checkout origin/mcp/train
+cd horizon/ ; git checkout origin/mcp/ussuri
 git clone ${REQUIREMENTS_REPO}
-cd requirements/ ; git checkout origin/mcp/train
-
+cd requirements/ ; git checkout origin/mcp/ussuri