Change vendor key to PRODUCT_VENDOR_PROPERTIES

Test: Camera CTS
Bug: 194656156

Change-Id: Ifa3f1188ae8134e6ff3e948c6ebd2d200db8181b
diff --git a/device-raven.mk b/device-raven.mk
index 3b0c109..dfe2457 100644
--- a/device-raven.mk
+++ b/device-raven.mk
@@ -169,5 +169,5 @@
     ro.support_one_handed_mode=true
 
 # Enable camera exif model/make reporting
-PRODUCT_PRODUCT_PROPERTIES += \
+PRODUCT_VENDOR_PROPERTIES += \
     persist.vendor.camera.exif_reveal_make_model=true