Bazel: Use dir_name attribute for alternative plugin directory name

Change-Id: I0dbec24e008e0aaedb5cc345fddb50cac74de6c5
diff --git a/owners-autoassign/BUILD b/owners-autoassign/BUILD
index a835314..e7d9e91 100644
--- a/owners-autoassign/BUILD
+++ b/owners-autoassign/BUILD
@@ -5,6 +5,7 @@
     srcs = glob([
         "src/main/java/**/*.java",
     ]),
+    dir_name = "owners",
     manifest_entries = [
         "Implementation-Title: Gerrit OWNERS autoassign plugin",
         "Implementation-URL: https://gerrit.googlesource.com/plugins/owners",
diff --git a/tools/workspace-status.sh b/tools/workspace-status.sh
index 3daa1b2..83f9cdc 100755
--- a/tools/workspace-status.sh
+++ b/tools/workspace-status.sh
@@ -14,5 +14,4 @@
   cd $1; git describe --always --match "v[0-9].*" --dirty
 }
 
-echo STABLE_BUILD_OWNERS-AUTOASSIGN_LABEL $(rev .)
 echo STABLE_BUILD_OWNERS_LABEL $(rev .)