Register VCN service in ConnectivityServiceInitializer

When VCN is in the Tethering module, the service registration should
be done via ConnectivityServiceInitializer. Specially it will only
register VCN when the device is B/B+. On older devices, VCN will
still be directly registered by the SystemServer.

Bug: 385203616
Test: atest CtsVcnTestCases && FrameworksVcnTests
Test: verified registration on Android B and Android V
Flag: RELEASE_MOVE_VCN_TO_MAINLINE
Change-Id: I3b80e9d131c9213942b724406261da19bda1a30d
diff --git a/service-t/Android.bp b/service-t/Android.bp
index d2e2a80..ab38c7a 100644
--- a/service-t/Android.bp
+++ b/service-t/Android.bp
@@ -29,6 +29,7 @@
     name: "service-connectivity-tiramisu-sources",
     srcs: [
         "src/**/*.java",
+        ":vcn-location-sources",
     ],
     visibility: ["//visibility:private"],
 }