Build framework-connectivity-tiramisu library

- Move nsd APIs and build framework-connectivity-tiramisu library
- Add nsd associated hidden apis
- Build service-connectivity-tiramisu-pre-jarjar library for
  T+ services.
- Move ConnectivityServiceInitialiizer to service-t directory
  to create S+ service instances which can avoid dependency on
  lower sdk library.

Bug: 206893064
Test: atest FrameworksNetTests CtsNetTestCases
CTS-Coverage-Bug: 207804007
Merged-In: I9628716f5c38047ff4ea2346b27589077259c436
Change-Id: I9628716f5c38047ff4ea2346b27589077259c436
diff --git a/service-t/Android.bp b/service-t/Android.bp
new file mode 100644
index 0000000..48c74c6
--- /dev/null
+++ b/service-t/Android.bp
@@ -0,0 +1,56 @@
+//
+// Copyright (C) 2021 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+package {
+    // See: http://go/android-license-faq
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+// This builds T+ services depending on framework-connectivity-tiramisu
+// hidden symbols separately from the S+ services, to ensure that S+
+// services cannot accidentally depend on T+ hidden symbols from
+// framework-connectivity-tiramisu.
+java_library {
+    name: "service-connectivity-tiramisu-pre-jarjar",
+    sdk_version: "system_server_current",
+    // TODO(b/210962470): Bump this to at least S, and then T.
+    min_sdk_version: "30",
+    srcs: [
+        "src/**/*.java",
+        // TODO: This is necessary just for LocalLog, remove after removing NativeDaemonConnector.
+        ":framework-connectivity-shared-srcs",
+        ":services.connectivity-tiramisu-updatable-sources",
+    ],
+    libs: [
+        "framework-annotations-lib",
+        "framework-connectivity.impl",
+        "framework-connectivity-tiramisu.impl",
+        "service-connectivity-pre-jarjar",
+        "unsupportedappusage",
+    ],
+    static_libs: [
+        "modules-utils-build",
+        "modules-utils-statemachine",
+        "net-utils-framework-common",
+    ],
+    apex_available: [
+        "com.android.tethering",
+    ],
+    visibility: [
+        "//packages/modules/Connectivity/service",
+        "//packages/modules/Connectivity/tests:__subpackages__",
+    ],
+}