Steps to Reproduce

Trigger a refresh() of the RefreshIndicator and then scroll down (drag your finger up). The refresh indicator goes away even though the Future from refresh() has not complete. The indicator should stay visible: https://material-design.storage.googleapis.com/publish/material_v_8/material_ext_publish/0B1PhAWhtrRTrUlM4NHN1ei1DS2s/patterns-swipetorefresh-behavior_do_xhdpi_009.webm