watchfrr: replace /usr/sbin/service frr with /usr/lib/frr/frr script

Need to use /usr/lib/frr/frr script for start/stop/restart of FRR. /usr/sbin/service frr command is not working as expected.

Signed-off-by: Sri Mohana Singamsetty <msingamsetty@vmware.com>

tools/etc/frr/daemons.conf

@@ -24,7 +24,8 @@ fabricd_options="  --daemon -A 127.0.0.1"
 
 # The list of daemons to watch is automatically generated by the init script.
 watchfrr_enable=yes
-watchfrr_options=(-d -r /usr/sbin/servicebBfrrbBrestartbB%s -s /usr/sbin/servicebBfrrbBstartbB%s -k /usr/sbin/servicebBfrrbBstopbB%s -b bB)
+
+watchfrr_options=(-d -r /usr/lib/frr/frrbBrestartbB%s -s /usr/lib/frr/frrbBstartbB%s -k /usr/lib/frr/frrbBstopbB%s -b bB)
 
 # If valgrind_enable is 'yes' the frr daemons will be started via valgrind.
 # The use case for doing so is tracking down memory leaks, etc in frr.