zenfone6: Remap googlekey to VOICE_ASSIST

Change-Id: I2ce2d820e64786f2d00ddc840fd5a289c2f62059
diff --git a/device.mk b/device.mk
index c0b7135..0544223 100755
--- a/device.mk
+++ b/device.mk
@@ -98,7 +98,8 @@
 # Input
 PRODUCT_COPY_FILES += \
     $(LOCAL_PATH)/keylayout/fts_ts.kl:system/usr/keylayout/fts_ts.kl \
-    $(LOCAL_PATH)/keylayout/goodixfp.kl:system/usr/keylayout/goodixfp.kl
+    $(LOCAL_PATH)/keylayout/goodixfp.kl:system/usr/keylayout/goodixfp.kl \
+    $(LOCAL_PATH)/keylayout/googlekey_input.kl:system/usr/keylayout/googlekey_input.kl
 
 # Live Wallpapers
 PRODUCT_PACKAGES += \