[Audiosharing] Update media devices section.

1. Filter out the media devices in audio sharing from the section.
2. During the audio sharing, click the media device will lead to
   stopping the sharing.

Flagged with enable_le_audio_sharing

Bug: 305620450
Test: atest AvailableMediaBluetoothDeviceUpdaterTest.java
Change-Id: I0676fd5aa98e593c6a5458845fc1b1631a5a6698

tests/robotests/testutils/com/android/settings/testutils/shadow/ShadowBluetoothAdapter.java

@@ -31,6 +31,8 @@ public class ShadowBluetoothAdapter extends org.robolectric.shadows.ShadowBlueto
     private int mState;
     private List<Integer> mSupportedProfiles = new ArrayList<>();
     private List<BluetoothDevice> mMostRecentlyConnectedDevices = new ArrayList<>();
+    private int mIsLeAudioBroadcastSourceSupported;
+    private int mIsLeAudioBroadcastAssistantSupported;
 
     @Implementation
     protected List<Integer> getSupportedProfiles() {
@@ -67,4 +69,22 @@ public class ShadowBluetoothAdapter extends org.robolectric.shadows.ShadowBlueto
     public void setMostRecentlyConnectedDevices(List<BluetoothDevice> list) {
         mMostRecentlyConnectedDevices = list;
     }
+
+    @Implementation
+    protected int isLeAudioBroadcastSourceSupported() {
+        return mIsLeAudioBroadcastSourceSupported;
+    }
+
+    public void setIsLeAudioBroadcastSourceSupported(int isSupported) {
+        mIsLeAudioBroadcastSourceSupported = isSupported;
+    }
+
+    @Implementation
+    protected int isLeAudioBroadcastAssistantSupported() {
+        return mIsLeAudioBroadcastAssistantSupported;
+    }
+
+    public void setIsLeAudioBroadcastAssistantSupported(int isSupported) {
+        mIsLeAudioBroadcastAssistantSupported = isSupported;
+    }
 }