Add generic flags to ProgramInfo struct.

Start with two for HD Radio/DAB: live and muted. And a vendor range.

Test: it builds.
Bug: b/32621193
Change-Id: I3761bab2abb31a29f8bcbf53683774e465cdcf5a
diff --git a/broadcastradio/1.1/default/Utils.cpp b/broadcastradio/1.1/default/Utils.cpp
index 6d4777d..e21344e 100644
--- a/broadcastradio/1.1/default/Utils.cpp
+++ b/broadcastradio/1.1/default/Utils.cpp
@@ -236,7 +236,7 @@
     info_1_0.signalStrength = halInfo->signal_strength;
     convertMetaDataFromHal(info_1_0.metadata, halInfo->metadata);
     // TODO(b/34348946): add support for HAL 1.1 fields
-    info_1_1.digitalStatus = DigitalStatus::INVALID;
+    info_1_1.flags = 0;
 }
 
 //static