Explicitly depend on privapp config

bug: 126582117
Test: lunch aosp_car_x86-userdebug && m && emulator

Change-Id: I47a88571c47982b12ad4f7b3f337860910ee81d3
diff --git a/car-usb-handler/Android.mk b/car-usb-handler/Android.mk
index 4d1a577..c764897 100644
--- a/car-usb-handler/Android.mk
+++ b/car-usb-handler/Android.mk
@@ -35,6 +35,8 @@
 
 LOCAL_JAVA_LIBRARIES += android.car
 
+LOCAL_REQUIRED_MODULES := privapp_whitelist_android.car.usb.handler
+
 include $(BUILD_PACKAGE)
 
 endif