Merge "audio: Align bluetooth start behavior" into 24D1-dev

::android::status_t StreamBluetooth::transfer(void* buffer, size_t frameCount,

                                              size_t* actualFrameCount, int32_t* latencyMs) {

    std::lock_guard guard(mLock);

    if (mBtDeviceProxy == nullptr || mBtDeviceProxy->getState() == BluetoothStreamState::DISABLED) {

    *actualFrameCount = 0;

    *latencyMs = StreamDescriptor::LATENCY_UNKNOWN;

    if (mBtDeviceProxy == nullptr || mBtDeviceProxy->getState() == BluetoothStreamState::DISABLED) {

        // The BT session is turned down, silently ignore write.

        return ::android::OK;

    }

    *actualFrameCount = 0;

    *latencyMs = 0;

    if (!mBtDeviceProxy->start()) {

        LOG(ERROR) << __func__ << ": state= " << mBtDeviceProxy->getState() << " failed to start";

        return -EIO;

        LOG(WARNING) << __func__ << ": state= " << mBtDeviceProxy->getState()

                     << " failed to start, will retry";

        return ::android::OK;

    }

    *latencyMs = 0;

    const size_t bytesToTransfer = frameCount * mFrameSizeBytes;

    const size_t bytesTransferred = mIsInput ? mBtDeviceProxy->readData(buffer, bytesToTransfer)

                                             : mBtDeviceProxy->writeData(buffer, bytesToTransfer);