Add CarSettings to car.mk

bug: 69006771
Test: lunch bat_land-userdebug && m -j
Change-Id: I169a81a630511745e84c7359fa36dfa9001300f7
diff --git a/car_product/build/car.mk b/car_product/build/car.mk
index 5470324..31e00a1 100644
--- a/car_product/build/car.mk
+++ b/car_product/build/car.mk
@@ -87,6 +87,7 @@
     CarHvacApp \
     CarMapsPlaceholder \
     CarLatinIME \
+    CarSettings \
     CarUsbHandler \
     android.car \
     com.android.car.procfsinspector \