add job id to iso management playbook output

* It's hard/impossible to know what job a check_isolated.yml playbook
runs for by just looking at the logs.
* Forward the job id for which an iso management playbook is running for
and output that job id so it can be found in the logs.

awx/playbooks/check_isolated.yml

@@ -9,6 +9,9 @@
     - ansible.posix
 
   tasks:
+    - name: "Output job the playbook is running for"
+      debug:
+        msg: "Checking on job {{ job_id }}"
 
     - name: Determine if daemon process is alive.
       shell: "ansible-runner is-alive {{src}}"

awx/playbooks/run_isolated.yml

@@ -13,6 +13,10 @@
     - ansible.posix
 
   tasks:
+    - name: "Output job the playbook is running for"
+      debug:
+        msg: "Checking on job {{ job_id }}"
+
     - name: synchronize job environment with isolated host
       synchronize:
         copy_links: true