public void setMarkerPaddingLeft(int markerPaddingLeft) {
        mMarkerPaddingLeft = markerPaddingLeft;
        initTimeline();
    }
Sets marker left padding
@param markerPaddingLeft the left padding to marker, works only in vertical orientation
timelineview/src/main/java/com/github/vipulasri/timelineview/TimelineView.java