Merge "Make openWrite more resilient."

        // In case of MT access, it's possible the files get overwritten during write.

        // Let's open all FDs we need now.

        try {

            mMainOutStream = new FileOutputStream(mFile);

            mMainInStream = new FileInputStream(mFile);

            mReserveOutStream = new FileOutputStream(mReserveCopy);

            mReserveInStream = new FileInputStream(mReserveCopy);

        } catch (IOException e) {

            close();

            throw e;

        }

        return mMainOutStream;

    }