Migrate sysUI and carSysUI to the separated car user lib.

Bug: 113868873
Test: build
Change-Id: I48fb69aab7092d256c6839377c905340f9059165
diff --git a/packages/SystemUI/tests/Android.mk b/packages/SystemUI/tests/Android.mk
index 6057614..aac37a2 100644
--- a/packages/SystemUI/tests/Android.mk
+++ b/packages/SystemUI/tests/Android.mk
@@ -38,7 +38,8 @@
     android.test.runner \
     telephony-common \
     android.test.base \
-    android.car
+    android.car \
+    android.car.user
 
 LOCAL_AAPT_FLAGS := --extra-packages com.android.systemui:com.android.keyguard