Merge "Unable to adjust remote session volume in Sound Setting" into rvc-dev

import android.content.Intent;

import android.media.RoutingSessionInfo;

import android.text.TextUtils;

import android.util.Log;

import androidx.annotation.VisibleForTesting;

import androidx.preference.Preference;

    @Override

    public boolean onPreferenceChange(Preference preference, Object newValue) {

        final MediaDevice device = mLocalMediaManager.getMediaDeviceById(preference.getKey());

        if (device == null) {

            Log.e(TAG, "Unable to find " + preference.getKey() + " to set volume");

            return false;

        }

        ThreadUtils.postOnBackgroundThread(() -> {

            mLocalMediaManager.adjustSessionVolume(preference.getKey(), (int) newValue);

        });

    @Override

    public void onSelectedDeviceStateChanged(MediaDevice device, int state) {

    }

}