pixel3_mainline: device.mk: add lcd_density for Pixel3

Now that lcd_density is made device-specific, add it for Pixel3.

Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
Change-Id: Iab08a8b9ea6f8fbc1cdb8d04bc957ef9404e2292
diff --git a/pixel3_mainline/device.mk b/pixel3_mainline/device.mk
index 9f22b88..f1af165 100644
--- a/pixel3_mainline/device.mk
+++ b/pixel3_mainline/device.mk
@@ -35,5 +35,8 @@
 # Build generic Audio HAL
 PRODUCT_PACKAGES := audio.primary.pixel3_mainline
 
+PRODUCT_PROPERTY_OVERRIDES += \
+    ro.sf.lcd_density=443
+
 # Copy firmware files
 $(call inherit-product-if-exists, $(LOCAL_PATH)/firmware/device.mk)