bullhead: build Fingerprint library

Add product configuration for fingerprint sensor

Change-Id: Ieb27047182ecc96a37f6c4beac1e3a6fff936c84
diff --git a/device.mk b/device.mk
index 6159b49..207edca 100644
--- a/device.mk
+++ b/device.mk
@@ -144,6 +144,10 @@
 PRODUCT_COPY_FILES += \
     device/lge/bullhead/gps.conf:system/etc/gps.conf
 
+# Fingerprint Sensor
+PRODUCT_PACKAGES += \
+    fingerprint.bullhead
+
 # Wi-Fi
 PRODUCT_PACKAGES += \
     libwpa_client \