add codes to measure buffering time
add codes to measure buffering time

sylvain121/gaminganywhere,sylvain121/gaminganywhere,masterall/gaminganywhere,masterall/gaminganywhere,chunying/gaminganywhere,sylvain121/gaminganywhere,SUPENTA/gaminganywhere,yunyu-Mr/gaminganywhere,yunyu-Mr/gaminganywhere,chunying/gaminganywhere,sylvain121/gaminganywhere,masterall/gaminganywhere,yunyu-Mr/gaminganywhere,SUPENTA/gaminganywhere,sylvain121/gaminganywhere,justusbeyer/gaminganywhere,masterall/gaminganywhere,chunying/gaminganywhere,justusbeyer/gaminganywhere,chunying/gaminganywhere,SUPENTA/gaminganywhere,yunyu-Mr/gaminganywhere,SUPENTA/gaminganywhere,sylvain121/gaminganywhere,justusbeyer/gaminganywhere,justusbeyer/gaminganywhere