marlin: Add libbt-vendor in device-common.mk

Bug: 36810308
Test: build
Change-Id: Iae4a6340a184dde818603b546470c8cf883f2f7b
diff --git a/device-common.mk b/device-common.mk
index 755015b..7f37d11 100644
--- a/device-common.mk
+++ b/device-common.mk
@@ -364,6 +364,7 @@
 
 # Bluetooth HAL
 PRODUCT_PACKAGES += \
+    libbt-vendor \
     android.hardware.bluetooth@1.0-impl
 
 # NFC packages