sdm845-common: Redefine ss_ramdump

* For some reason Xiaomi decided to start the service unconditionally
   with an unknown arg, thus causing it to crash everytime.
 * Match it with CAF and start it if persist.sys.ssr.enable_ramdumps is set.

Change-Id: I27496f7b65f9d7217a97f3738140056fcbf0e149

rootdir/etc/init.qcom.rc

@@ -7,3 +7,16 @@ on init
 on boot
     chown system system /proc/touchpanel/wake_gesture
     chmod 0660 /proc/touchpanel/wake_gesture
+
+service vendor.ss_ramdump_local /vendor/bin/subsystem_ramdump
+    class late_start
+    user system
+    group system
+    disabled
+
+on property:persist.vendor.sys.ssr.enable_ramdumps=1
+    start vendor.ss_ramdump_local
+
+on property:persist.vendor.sys.ssr.enable_ramdumps=0
+    stop vendor.ss_ramdump
+    stop vendor.ss_ramdump_local