rootdir: init.rc: Add 'ASEC_MOUNTPOINT' environment variable.

Signed-off-by: San Mehat <san@google.com>
diff --git a/rootdir/init.rc b/rootdir/init.rc
index ea79490..0e52e54 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -13,6 +13,7 @@
     export ANDROID_ASSETS /system/app
     export ANDROID_DATA /data
     export EXTERNAL_STORAGE /mnt/sdcard
+    export ASEC_MOUNTPOINT /mnt/asec
     export BOOTCLASSPATH /system/framework/core.jar:/system/framework/ext.jar:/system/framework/framework.jar:/system/framework/android.policy.jar:/system/framework/services.jar
 
 # Backward compatibility