Add tooltip to display full filename in download manager.
Add tooltip to display full filename in download manager.

VishwasShashidhar/SymphonyElectron,KiranNiranjan/SymphonyElectron,VishwasShashidhar/SymphonyElectron,KiranNiranjan/SymphonyElectron,VishwasShashidhar/SymphonyElectron,VishwasShashidhar/SymphonyElectron,KiranNiranjan/SymphonyElectron,KiranNiranjan/SymphonyElectron