sanders: move init.*.rc to vendor

* Early mount /system
* Create a dedicated fstab for TWRP
* Load fstab from vendor
* Move also ueventd.qcom to vendor

Change-Id: Ifcefd31dcbcf562efc6359e1fa1e155d24d802e5

rootdir/etc/init.qcom.rc

@@ -25,7 +25,7 @@
 # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #
 
-import /init.mmi.rc
+import /system/vendor/etc/init/hw/init.mmi.rc
 
 on early-init
     mount tracefs tracefs /sys/kernel/tracing
@@ -42,7 +42,7 @@ on fs
     wait /dev/block/platform/soc/${ro.boot.bootdevice}
     symlink /dev/block/platform/soc/${ro.boot.bootdevice} /dev/block/bootdevice
 
-    mount_all fstab.qcom
+    mount_all /system/vendor/etc/fstab.qcom
     write /proc/sys/vm/swappiness 100
 
     # Keeping following partitions outside fstab file. As user may not have