[MS54.1] Move NetworkStats to updatable sources

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

This includes:
1. Add netstats.proto to the module.
2. Add lib dependencies for all callers.
3. Include several source files in platform and add jarjar rule
   to it. Modify callers accordingly.

Test: TH
Bug: 197717846
Change-Id: I244693aebe1782d9e67502638ff8145c51462e1e
Merged-In: I244693aebe1782d9e67502638ff8145c51462e1e
diff --git a/service-t/Sources.bp b/service-t/Sources.bp
index c3049da..502c56a 100644
--- a/service-t/Sources.bp
+++ b/service-t/Sources.bp
@@ -88,7 +88,6 @@
     name: "services.connectivity-tiramisu-sources",
     srcs: [
         ":services.connectivity-ethernet-sources",
-        ":services.connectivity-netstats-sources",
     ],
     path: "src",
     visibility: ["//frameworks/base/services/core"],
@@ -98,6 +97,7 @@
     name: "services.connectivity-tiramisu-updatable-sources",
     srcs: [
         ":services.connectivity-ipsec-sources",
+        ":services.connectivity-netstats-sources",
         ":services.connectivity-nsd-sources",
     ],
     path: "src",