Add keymaster HAL implementation and service

Bug: 32020919
Change-Id: I738e0238831cd1b976c29109386f998275075239
diff --git a/device.mk b/device.mk
index a59b812..b4af774 100644
--- a/device.mk
+++ b/device.mk
@@ -161,6 +161,15 @@
     lights.dragon \
     android.hardware.light@2.0-impl
 
+# Keymaster HAL
+PRODUCT_PACKAGES += \
+    android.hardware.keymaster@3.0-impl
+
+ifeq ($(ENABLE_TREBLE), true)
+PRODUCT_PACKAGES += \
+    android.hardware.keymaster@3.0-service
+endif
+
 #TODO(dgreid) is this right?
 PRODUCT_PROPERTY_OVERRIDES := \
     wifi.interface=wlan0 \