Global Building Automation & Control System Market By Type (Lighting , Security & Access , HVAC , Entertainment , Outdoor Controls , Elevator Controls , and BMS), By Application (Medium-Sized Commercial Buildings<10,000 Sq.m , and Prestigious &Large CommercialBuildings>10,000 Sq.m), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2020-2029