bliss: Fall back to vendor/gapps if vendor/gms is not found

Change-Id: I99292da11d0c375c1044db29abf7b7d63c9efa43
Signed-off-by: Jackeagle <jackeagle102@gmail.com>
diff --git a/config/common.mk b/config/common.mk
index c1c7179..95a59c7 100644
--- a/config/common.mk
+++ b/config/common.mk
@@ -188,7 +188,11 @@
 
 # Gapps
 ifeq ($(BLISS_BUILD_VARIANT), gapps)
+ifneq ($(wildcard vendor/gms/products/gms.mk),)
 $(call inherit-product, vendor/gms/products/gms.mk)
+else
+$(call inherit-product, vendor/gapps/products/gapps.mk)
+endif
 endif
 
 # Plugins