Move Broadcast Radio HAL to a separate binary.

Bug: 63600413
Test: VTS, instrumentation, audit2allow
Test: after cherry-pick - it builds
Change-Id: I57c0150a52c13f1ce21f9ae2147e3814aad0fb7e
(cherry picked from commit 567b947d85a353af56799c4e48583adfa7ff4e0d)
diff --git a/public/hal_broadcastradio.te b/public/hal_broadcastradio.te
new file mode 100644
index 0000000..24d4908
--- /dev/null
+++ b/public/hal_broadcastradio.te
@@ -0,0 +1,4 @@
+binder_call(hal_broadcastradio_client, hal_broadcastradio_server)
+
+add_hwservice(hal_broadcastradio_server, hal_broadcastradio_hwservice)
+allow hal_broadcastradio_client hal_broadcastradio_hwservice:hwservice_manager find;