Merge "audioflinger: Fix stream type for device->device patch"

    audio_output_flags_t outputFlags = mAudioPatch.sinks[0].config_mask & AUDIO_PORT_CONFIG_FLAGS ?

            mAudioPatch.sinks[0].flags.output : AUDIO_OUTPUT_FLAG_NONE;

    audio_stream_type_t streamType = AUDIO_STREAM_PATCH;

    if (mAudioPatch.num_sources == 2 && mAudioPatch.sources[1].type == AUDIO_PORT_TYPE_MIX) {

        // "reuse one existing output mix" case

        streamType = mAudioPatch.sources[1].ext.mix.usecase.stream;

    }

    // create a special playback track to render to playback thread.

    // this track is given the same buffer as the PatchRecord buffer

    sp<PlaybackThread::PatchTrack> tempPatchTrack = new (std::nothrow) PlaybackThread::PatchTrack(

                                           mPlayback.thread().get(),

                                           mAudioPatch.sources[1].ext.mix.usecase.stream,

                                           streamType,

                                           sampleRate,

                                           outChannelMask,

                                           format,