Revert "hammerhead: Disable subsystem ramdump collection"

This reverts commit 42aaafc30e1d899cdc3a2f30fa952987c9da697a.

Change-Id: I1215143de6b62cc5691dbd6dc1d3d10a7422a987
diff --git a/init.hammerhead.rc b/init.hammerhead.rc
index e6d09ba..44083ad 100644
--- a/init.hammerhead.rc
+++ b/init.hammerhead.rc
@@ -126,6 +126,11 @@
     #venus
     write /sys/bus/msm_subsys/devices/subsys2/restart_level "related"
 
+    # Subsytem Ramdump collection
+    mkdir /data/tombstones 0777 system system
+    mkdir /data/tombstones/ramdump 0777 system system
+    write /sys/module/subsystem_restart/parameters/enable_ramdumps 1
+
     # Modem logging collection
     mkdir /data/diag_logs 0777 system system
     chmod 666 /dev/diag
@@ -436,7 +441,6 @@
 
 service ssr_ramdump /system/bin/subsystem_ramdump -m -t emmc
     class main
-    disabled
     user root
     group root