move grouper specific vars to device.mk

Change-Id: I99ac60e01c6b03c83e0670d39de3ed35a1df9f3d
diff --git a/device.mk b/device.mk
index da27eb6..b54047f 100644
--- a/device.mk
+++ b/device.mk
@@ -14,6 +14,12 @@
 # limitations under the License.
 #
 
+PRODUCT_PROPERTY_OVERRIDES := \
+    ro.carrier=wifi-only
+
+PRODUCT_COPY_FILES := \
+    device/asus/grouper/init.grouper.rc:root/init.grouper.rc
+
 # the actual meat of the device-specific product definition
 $(call inherit-product, device/asus/grouper/device-common.mk)