Add key / value data structures for IBpfMaps

Add key / value structures for CookieTagMap, StatsMap, and UidStatsMap.
This will be used for deleteTagData.

Test: m
Change-Id: I955ae7f7745d4c5f37eccbad80cdb841ef55ff56
diff --git a/service-t/Sources.bp b/service-t/Sources.bp
index 24bc91d..d05370f 100644
--- a/service-t/Sources.bp
+++ b/service-t/Sources.bp
@@ -28,6 +28,11 @@
         "src/com/android/server/net/NetworkStats*.java",
         "src/com/android/server/net/BpfInterfaceMapUpdater.java",
         "src/com/android/server/net/InterfaceMapValue.java",
+        "src/com/android/server/net/CookieTagMapKey.java",
+        "src/com/android/server/net/CookieTagMapValue.java",
+        "src/com/android/server/net/StatsMapKey.java",
+        "src/com/android/server/net/StatsMapValue.java",
+        "src/com/android/server/net/UidStatsMapKey.java",
     ],
     path: "src",
     visibility: [