Collect watchdog logs from the OLT

Change-Id: I73d63899d48e72f5fd5894587857835b62f8e284
(cherry picked from commit 26711d5920edfe1c80a51721ba91ce7cc82fe085)
diff --git a/libraries/utils.robot b/libraries/utils.robot
index b86f2fc..eacd8e6 100644
--- a/libraries/utils.robot
+++ b/libraries/utils.robot
@@ -557,6 +557,9 @@
     Wait Until Keyword Succeeds    180s    10s    Execute Remote Command
     ...    printf '%s\n' '' '' '${message}' '' >> /var/log/dev_mgmt_daemon.log
     ...    ${olt_ssh_ip}    ${olt_user}    ${olt_pass}
+    Wait Until Keyword Succeeds    180s    10s    Execute Remote Command
+    ...    printf '%s\n' '' '' '${message}' '' >> /var/log/openolt_process_watchdog.log
+    ...    ${olt_ssh_ip}    ${olt_user}    ${olt_pass}
 
 Start Logging
     [Arguments]    ${label}