Split task_runnner_thread from end_to_end_integrationtest.

This will be reused in the end to end fuzzer.

Bug: 69150303
Change-Id: Id32868b5a456cfb956d680c5913f1fbc48c3c3a5
diff --git a/Android.bp b/Android.bp
index 908e647..994f051 100644
--- a/Android.bp
+++ b/Android.bp
@@ -219,6 +219,7 @@
     "test/end_to_end_integrationtest.cc",
     "test/fake_consumer.cc",
     "test/fake_producer.cc",
+    "test/task_runner_thread.cc",
   ],
   shared_libs: [
     "libandroid",