Use corresponding profile to get active bluetooth device

- Do not use streamType to decide which active device should return.
  Base on b/80453878 comment#6, the steamType intent will only be sent
  if an action is made on stream volume or a media route is changed:
  For instance when a call to setStreamVolume() or getDeviceForStream() is made.
  It is not broadcast on actual routing changes.
  It should not be used as an indicator that the route changed during a call.
  There is no callback API and the only option is polling with getDeviceForStream().
- Use corresponding profile to get active bluetooth device
  instead of streamType
- Add test to verify the result of findActiveDevice()
  eg:
  1. A2dp device active, hearing aid device not active : return a2dp device
  2. A2dp device not active, hearing aid device not active : return null
  3. hfp device active, hearing aid device not active : return hfp device
  4. hfp device not active, hearing aid device not active : return null

Bug: 80453878
Test: make -j42 RunSettingsRoboTests
Change-Id: I5bd94899a5d508e60ce911da9689b727ad1fc20c

src/com/android/settings/sound/MediaOutputPreferenceController.java

@@ -19,7 +19,6 @@ package com.android.settings.sound;
 import static android.bluetooth.IBluetoothHearingAid.HI_SYNC_ID_INVALID;
 import static android.media.AudioManager.STREAM_MUSIC;
 import static android.media.AudioSystem.DEVICE_OUT_REMOTE_SUBMIX;
-import static android.media.AudioSystem.DEVICE_OUT_USB_HEADSET;
 
 import android.bluetooth.BluetoothDevice;
 import android.content.Context;
@@ -91,12 +90,7 @@ public class MediaOutputPreferenceController extends AudioSwitchPreferenceContro
         CharSequence[] mediaValues = new CharSequence[numDevices + 1];
 
         // Setup devices entries, select active connected device
-        setupPreferenceEntries(mediaOutputs, mediaValues, findActiveDevice(STREAM_MUSIC));
-
-        if (isStreamFromOutputDevice(STREAM_MUSIC, DEVICE_OUT_USB_HEADSET)) {
-            // If wired headset is plugged in and active, select to default device.
-            mSelectedIndex = getDefaultDeviceIndex();
-        }
+        setupPreferenceEntries(mediaOutputs, mediaValues, findActiveDevice());
 
         // Display connected devices, default device and show the active device
         setPreference(mediaOutputs, mediaValues, preference);
@@ -121,4 +115,15 @@ public class MediaOutputPreferenceController extends AudioSwitchPreferenceContro
             a2dpProfile.setActiveDevice(device);
         }
     }
+
+    @Override
+    public BluetoothDevice findActiveDevice() {
+        BluetoothDevice activeDevice = findActiveHearingAidDevice();
+        final A2dpProfile a2dpProfile = mProfileManager.getA2dpProfile();
+
+        if (activeDevice == null && a2dpProfile != null) {
+            activeDevice = a2dpProfile.getActiveDevice();
+        }
+        return activeDevice;
+    }
 }