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/private/system_server.te b/private/system_server.te
index 05e84f0..80f406b 100644
--- a/private/system_server.te
+++ b/private/system_server.te
@@ -180,6 +180,7 @@
 
 # Use HALs
 hal_client_domain(system_server, hal_allocator)
+hal_client_domain(system_server, hal_broadcastradio)
 hal_client_domain(system_server, hal_contexthub)
 hal_client_domain(system_server, hal_fingerprint)
 hal_client_domain(system_server, hal_gnss)