Replace ADDITIONAL_DEFAULT_PROPERTIES

ADDITIONAL_DEFAULT_PROPERTIES should be replaced with
PRODUCT_DEFAULT_PROPERTY_OVERRIDES.

Test: building succeeded.
Bug: 34211489
Change-Id: I69706cf0a46f0be61664980bba1447c034ff77b9
diff --git a/device.mk b/device.mk
index c8993ab..5f3b0fe 100644
--- a/device.mk
+++ b/device.mk
@@ -416,5 +416,5 @@
     persist.audio.fluence.speaker=false
 
 # OEM Unlock reporting
-ADDITIONAL_DEFAULT_PROPERTIES += \
+PRODUCT_DEFAULT_PROPERTY_OVERRIDES += \
     ro.oem_unlock_supported=1