Implement broadcast radio HAL 2.0 default implementation.

Also, split internal common utils library to 1.x and 2.x.

Test: VTS
Bug: 69958777
Change-Id: I21244c74270a07cc350e8a2b974dafcdae02a0e8
diff --git a/broadcastradio/2.0/default/android.hardware.broadcastradio@2.0-service.rc b/broadcastradio/2.0/default/android.hardware.broadcastradio@2.0-service.rc
new file mode 100644
index 0000000..7d68b6c
--- /dev/null
+++ b/broadcastradio/2.0/default/android.hardware.broadcastradio@2.0-service.rc
@@ -0,0 +1,4 @@
+service broadcastradio-hal2 /vendor/bin/hw/android.hardware.broadcastradio@2.0-service
+    class hal
+    user audioserver
+    group audio