Stop force-setting nusersensor, instead allow MuJoCo to infer the size. PiperOrigin-RevId: 494783883 Change-Id: Ia2a1b1803b2904f2dded7b790d01eb6f1920dbaf
PiperOrigin-RevId: 434731612 Change-Id: I0cfda3e7a3d1c72036764986efc252ffa1b8c6b0