display: disable hbm dimming

Bug: 194656170
test: no panel dimming
Change-Id: I5907697c546bd11d6e8ca67b4fde2a67b3ab8764
diff --git a/device-raven.mk b/device-raven.mk
index 20e7b44..3c740c8 100644
--- a/device-raven.mk
+++ b/device-raven.mk
@@ -90,7 +90,7 @@
 	device/google/raviole/raven/display_colordata_dev_cal0.pb:$(TARGET_COPY_OUT_VENDOR)/etc/display_colordata_dev_cal0.pb
 
 #config of display brightness dimming
-PRODUCT_DEFAULT_PROPERTY_OVERRIDES += vendor.display.brightness.dimming.usage=1
+PRODUCT_DEFAULT_PROPERTY_OVERRIDES += vendor.display.brightness.dimming.usage=2
 
 # NFC
 PRODUCT_COPY_FILES += \