display: enable hbm sv dimming [ DO NOT MERGE ]

Bug: 192919359
test: hbm sv dimming check
Change-Id: Iabf9361d53ef20bf6a761b73444ecb7c82bbd903
diff --git a/device-raven.mk b/device-raven.mk
index 7f2df2b..fa1d053 100644
--- a/device-raven.mk
+++ b/device-raven.mk
@@ -101,7 +101,7 @@
 	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=2
+PRODUCT_DEFAULT_PROPERTY_OVERRIDES += vendor.display.brightness.dimming.usage=1
 
 # NFC
 PRODUCT_COPY_FILES += \