Mark handlers with psuedo namespace to prevent unintended consequences

handlers/main.yml

@@ -1,7 +1,7 @@
 ---
 # handlers file for ensure_os_patch
-- name: 'package_facts'
+- name: 'ensure_os_patch.package_facts'
   package_facts:
-- name: 'service_facts'
+- name: 'ensure_os_patch.service_facts'
   service_facts:
 

tasks/main.yml

@@ -18,8 +18,8 @@
     name: '*'
     state: 'latest'
   notify:
-    - 'package_facts'
-    - 'service_facts'
+    - 'ensure_os_patch.package_facts'
+    - 'ensure_os_patch.service_facts'
 - name: 'flush handlers'
   meta: 'flush_handlers'