Restricted the reassignment of left button value in case it is already set from user or any EMM
Misc. fixes and improvements.
Designed for use only on Cisco Webex Wireless Phone 800 series devices. The Buttons application allows users to program the buttons on Cisco devices.
* Modify operations for programmable buttons
* Accommodates left/right handedness
* Enables efficient workflow
* Easily personalizes corporate smartphones
