Add flags to disable sharing and printing

[spetterman66]

Is your feature request related to a problem? Please describe. Not everyone uses those functionalities. Adding flags to disable them will reduce memory usage. Since there already is a flag to disable/enable Media Router (casting), this can be done too.

Describe the solution you'd like, including relevant patches or source Adding a flag to disable the sharing button ("Desktop Sharing Hub") Adding a flag to disable printing

Additional Notes Chrome Enterprise policy for sharing: DesktopSharingHubEnabled Chrome Enterprise policy for printing: PrintingEnabled