Adds 10s to all DISCOv1 sample timestamps
This change will make DISCOv1 timestamps represent the same thing as DISCOv2 timestamps: then timestamp of the end of a 10s sample window, not the beginning of the window.
This change will make DISCOv1 timestamps represent the same thing as DISCOv2 timestamps: then timestamp of the end of a 10s sample window, not the beginning of the window.