rootdir: init.rc: write default oom_adj before starting ueventd

Otherwise, ueventd's oom_adj value would have been 0 and it could
easily get killed early during low memory events

Change-Id: I1adbd18c37215b26ae77e70f7b8dbd1e143fc2d4
Signed-off-by: Dima Zavin <dima@android.com>

rootdir/init.rc

 on early-init
+    # Set init and its forked children's oom_adj.
+    write /proc/1/oom_adj -16
+
     start ueventd
 
 # create mountpoints
@@ -204,9 +207,6 @@ on boot
     chown root system /sys/module/lowmemorykiller/parameters/minfree
     chmod 0664 /sys/module/lowmemorykiller/parameters/minfree
 
-    # Set init and its forked children's oom_adj.
-    write /proc/1/oom_adj -16
-
     # Tweak background writeout
     write /proc/sys/vm/dirty_expire_centisecs 200
     write /proc/sys/vm/dirty_background_ratio  5