[MS54.3] Move NetworkStats to updatable sources

This CL builds NetworkStats related codes with the
connectivity module instead of platform.

Ignore-AOSP-First: Avoiding conflicts; cherry-pick will follow
Test: TH
Bug: 197717846
Change-Id: I4eeb7ea9cfc3139991caf0fc22474e0052a0391c
diff --git a/Tethering/apex/Android.bp b/Tethering/apex/Android.bp
index 0fe47d2..4adc77d 100644
--- a/Tethering/apex/Android.bp
+++ b/Tethering/apex/Android.bp
@@ -130,7 +130,10 @@
             "hiddenapi/hiddenapi-max-target-o-low-priority.txt",
             "hiddenapi/hiddenapi-max-target-o-low-priority-tiramisu.txt",
 	],
-        unsupported: ["hiddenapi/hiddenapi-unsupported.txt"],
+        unsupported: [
+            "hiddenapi/hiddenapi-unsupported.txt",
+            "hiddenapi/hiddenapi-unsupported-tiramisu.txt",
+        ],
     },
 }