Look for apns-conf.xml in vendor

Change-Id: I644f040660ca01eec75ac78d7a829d19caeaea55
diff --git a/base-pre.mk b/base-pre.mk
index 6a317e4..27eec1c 100644
--- a/base-pre.mk
+++ b/base-pre.mk
@@ -1,3 +1,3 @@
 #Use a more decent APN config
 PRODUCT_COPY_FILES += \
-	device/sample/etc/apns-full-conf.xml:system/etc/apns-conf.xml
+	vendor/bliss/prebuilt/common/etc/apns-conf.xml:system/etc/apns-conf.xml