Add Tag to mainline_system

Needed for NFC. Has a proprietary override, which is the
only reason I had not added it earlier.

Test: make
Bug: 80410283
Change-Id: I1fad3d2bab0ff2fa8bbd32388049f0f8c86b68a5
diff --git a/target/product/mainline_system.mk b/target/product/mainline_system.mk
index c41e1d7..fe0f81a 100644
--- a/target/product/mainline_system.mk
+++ b/target/product/mainline_system.mk
@@ -31,6 +31,7 @@
     RcsService \
     SafetyRegulatoryInfo \
     Stk \
+    Tag \
     TimeZoneUpdater \
 
 # Binaries