Update watchdogd path

watchdogd is now removed from init and treated like any other system
executable.

Bug: 73660730
Test: watchdogd still runs
Change-Id: I4b1cf0b39933fa6c60948c0d977fef6c0e112703
diff --git a/init.common.rc b/init.common.rc
index 8d22921..e1f9793 100644
--- a/init.common.rc
+++ b/init.common.rc
@@ -110,7 +110,7 @@
      oneshot
 
 # Set watchdog timer to 30 seconds and pet it every 10 seconds to get a 20 second margin
-service watchdogd /sbin/watchdogd 10 20
+service watchdogd /system/bin/watchdogd 10 20
     class core
     oneshot
     seclabel u:r:watchdogd:s0