Add function for getting LE Audio Broadcast device set

Bug: 242472419
Test: atest audiopolicy_tests
Merged-In:Ibdc275f4dd9d2708cf63f02284ba80c6e357d66d
Change-Id: Ibdc275f4dd9d2708cf63f02284ba80c6e357d66d
diff --git a/media/libaudiofoundation/AudioContainers.cpp b/media/libaudiofoundation/AudioContainers.cpp
index 0a8188f..202a400 100644
--- a/media/libaudiofoundation/AudioContainers.cpp
+++ b/media/libaudiofoundation/AudioContainers.cpp
@@ -77,6 +77,13 @@
     return audioDeviceOutLeAudioUnicastSet;
 }
 
+const DeviceTypeSet& getAudioDeviceOutLeAudioBroadcastSet() {
+    static const DeviceTypeSet audioDeviceOutLeAudioUnicastSet = DeviceTypeSet(
+            std::begin(AUDIO_DEVICE_OUT_BLE_BROADCAST_ARRAY),
+            std::end(AUDIO_DEVICE_OUT_BLE_BROADCAST_ARRAY));
+    return audioDeviceOutLeAudioUnicastSet;
+}
+
 std::string deviceTypesToString(const DeviceTypeSet &deviceTypes) {
     if (deviceTypes.empty()) {
         return "Empty device types";