Merge branch 'stable-3.1' into stable-3.2

* stable-3.1:
  Bump plugin API to 3.1.15
  Bump plugin API to 3.0.16
  Bump plugin API to 2.16.27
  Convert UI filters to links and display always

Change-Id: I02687957853387c038a3b62c6fe3a38bf8190174
diff --git a/BUILD b/BUILD
index b2b57ae..2d5b47e 100644
--- a/BUILD
+++ b/BUILD
@@ -13,7 +13,7 @@
     srcs = glob(["src/main/java/**/*.java"]),
     manifest_entries = [
         "Gerrit-PluginName: " + plugin_name,
-        "Gerrit-ApiVersion: 3.1.12",
+        "Gerrit-ApiVersion: 3.2.6",
         "Implementation-Title: Task Plugin",
         "Implementation-URL: https://gerrit-review.googlesource.com/#/admin/projects/plugins/" + plugin_name,
         "Gerrit-Module: com.googlesource.gerrit.plugins.task.Modules$Module",
diff --git a/WORKSPACE b/WORKSPACE
index 4bbfd4c..33921c1 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -3,7 +3,7 @@
 load("//:bazlets.bzl", "load_bazlets")
 
 load_bazlets(
-    commit = "321fab31e6fbb63c940aad3252f0167f88d52e2e",
+    commit = "8dc0767541f16b35d2136eccebffd9ebe2b81133",
     #local_path = "/home/<user>/projects/bazlets",
 )
 
diff --git a/test/docker/gerrit/Dockerfile b/test/docker/gerrit/Dockerfile
index 94c40ff..780970c 100755
--- a/test/docker/gerrit/Dockerfile
+++ b/test/docker/gerrit/Dockerfile
@@ -1,4 +1,4 @@
-FROM gerritcodereview/gerrit:3.1.15-ubuntu18
+FROM gerritcodereview/gerrit:3.2.6-ubuntu20
 
 USER root