x86: Add in the VirtualBox emulator as a separate build target

Change-Id: Icff81a757952b7652d171bc95773e177c4fd7772
Signed-off-by: Bruce Beare <brucex.j.beare@intel.com>
diff --git a/target/product/AndroidProducts.mk b/target/product/AndroidProducts.mk
index 32416c5..56858e1 100644
--- a/target/product/AndroidProducts.mk
+++ b/target/product/AndroidProducts.mk
@@ -38,6 +38,7 @@
     $(LOCAL_DIR)/generic_x86.mk \
     $(LOCAL_DIR)/full.mk \
     $(LOCAL_DIR)/full_x86.mk \
+    $(LOCAL_DIR)/vbox_x86.mk \
     $(LOCAL_DIR)/sdk.mk \
     $(LOCAL_DIR)/sim.mk
 endif