Merge "improve LogBufferElement copy constructor"

      mMsgLen(elem.mMsgLen),

      mLogId(elem.mLogId),

      mDropped(elem.mDropped) {

    if (mDropped) {

        if (elem.isBinary() && elem.mMsg != nullptr) {

            // for the following "len" value, refer to : setDropped(uint16_t value), getTag()

            const int len = sizeof(android_event_header_t);

            mMsg = new char[len];

            memcpy(mMsg, elem.mMsg, len);

        } else {

            mMsg = nullptr;

        }

    } else {

        mMsg = new char[mMsgLen];

        memcpy(mMsg, elem.mMsg, mMsgLen);

    }

}

LogBufferElement::~LogBufferElement() {

    delete[] mMsg;