Create dir in /data for vendor customization

Vendor owns /data/vendor.

HAL data must go in /data/vendor/hardware/.

Bug: 34980020
Test: build and boot AOSP Marlin. Observe /data/vendor and
      /data/vendor/hardware exist and are empty.
Change-Id: I6fe96e3c76a10a5eb480ba10e10d4d006de56c12
diff --git a/rootdir/init.rc b/rootdir/init.rc
index dcb3b25..0045fd6 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -408,6 +408,9 @@
     mkdir /data/misc/profman 0770 system shell
     mkdir /data/misc/gcov 0770 root root
 
+    mkdir /data/vendor 0771 root root
+    mkdir /data/vendor/hardware 0771 root root
+
     # For security reasons, /data/local/tmp should always be empty.
     # Do not place files or directories in /data/local/tmp
     mkdir /data/local/tmp 0771 shell shell