Add headers for computepipe router library

Only adds the header files needed by the router implementation
as wells the tests for the logic.

Bug: 135148519
Test: Tested using the associated unit test by using ATest.
      Needs b/140489730 to be resolved to become a formal
      presubmit test.

Change-Id: Id53e4cfe3ba7507f706000279a3c19b800ac6fed
diff --git a/computepipe/router/Android.bp b/computepipe/router/Android.bp
new file mode 100644
index 0000000..9f57fff
--- /dev/null
+++ b/computepipe/router/Android.bp
@@ -0,0 +1,19 @@
+// Copyright (C) 2019 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.
+
+
+cc_library_headers {
+    name: "computepipe_router_headers",
+    export_include_dirs: ["include"],
+}