Fix sdcard mount issue.

Push vold.fstab on to the emulator, which is now denoted by
TARGET_PRODUCT=full.

Change-Id: I502af9b06903808fa2448c1013ddd8904f6000ca
diff --git a/rootdir/Android.mk b/rootdir/Android.mk
index 7ac991c..9a56bfd 100644
--- a/rootdir/Android.mk
+++ b/rootdir/Android.mk
@@ -7,7 +7,7 @@
 	etc/dbus.conf \
 	etc/hosts
 
-ifeq ($(TARGET_PRODUCT),generic)
+ifeq ($(TARGET_PRODUCT),full)
 copy_from += etc/vold.fstab
 endif