Build its-{base,jira} plugins for Gerrit v3.2

Change-Id: I95385bf7a7973f9277054817591755c53512bc30
diff --git a/jenkins/gerrit-bazel-plugin-its-base.yaml b/jenkins/gerrit-bazel-plugin-its-base.yaml
index 4cc1964..cac7262 100644
--- a/jenkins/gerrit-bazel-plugin-its-base.yaml
+++ b/jenkins/gerrit-bazel-plugin-its-base.yaml
@@ -1,9 +1,14 @@
 - project:
     name: its-base
     jobs:
-      - 'plugin-{name}-bazel-{branch}':
+      - 'plugin-{name}-bazel-{branch}-{gerrit-branch}':
           branch:
             - master
+          gerrit-branch:
+            - master
+            - stable-3.2
+      - 'plugin-{name}-bazel-{branch}':
+          branch:
             - stable-3.1
             - stable-3.0
             - stable-2.16
diff --git a/jenkins/gerrit-bazel-plugin-its-jira.yaml b/jenkins/gerrit-bazel-plugin-its-jira.yaml
index 78d24d5..8abf81b 100644
--- a/jenkins/gerrit-bazel-plugin-its-jira.yaml
+++ b/jenkins/gerrit-bazel-plugin-its-jira.yaml
@@ -1,9 +1,14 @@
 - project:
     name: jira
     jobs:
-      - 'plugin-its-{name}-bazel-{branch}':
+      - 'plugin-its-{name}-bazel-{branch}-{gerrit-branch}':
           branch:
             - master
+          gerrit-branch:
+            - master
+            - stable-3.2
+      - 'plugin-its-{name}-bazel-{branch}':
+          branch:
             - stable-3.1
             - stable-3.0
             - stable-2.16