Update notes for submitted changes

* Wifi: Use bss->age identifier for wifi scan results
* Telephony(MSIM): Fix tcp buffersize issue
* services: change default sampling interval to -1
* Connectivity: Set TCP delayed ACK and User Configuration Flag
* Update LinkProperties with MTU value
* Add an option to change the device hostname (1/2).
* server: Handle broadcast intent and receiver
* Fix for the invalid Global Proxy Setting
* server: start cne service
* ConnectivtyService : Execute connectivityCheck in thread pool
* Use a content observer for getting the default APN
* server: clear forwarding rules when tethering is disabled
* SystemUI: Clear disappearing children and remove HeadsUp on recreate.