beckham: Move modservice whitelist to system

Change-Id: Ib51bc862405a4b355d6321f55088ea3796919783
Signed-off-by: Joshua Blanchard <joshua.lee.bbg@gmail.com>

device.mk

@@ -55,7 +55,7 @@ PRODUCT_PACKAGES += \
 
 # ModService
 PRODUCT_COPY_FILES += \
-    $(LOCAL_PATH)/configs/whitelist_modservice.xml:$(TARGET_COPY_OUT_VENDOR)/etc/sysconfig/whitelist_modservice.xml
+    $(LOCAL_PATH)/configs/whitelist_modservice.xml:$(TARGET_COPY_OUT_SYSTEM)/etc/sysconfig/whitelist_modservice.xml
 
 # NFC
 PRODUCT_PACKAGES += \