Merge "Set HotwordAudioStreamManager buffer size to 2560" into tm-qpr-dev

    private static class SingleAudioStreamCopyTask implements Callable<Void> {

        // TODO: Make this buffer size customizable from updateState()

        private static final int COPY_BUFFER_LENGTH = 1_024;

        private static final int COPY_BUFFER_LENGTH = 2_560;

        private final String mStreamTaskId;

        private final ParcelFileDescriptor mAudioSource;