Switch hanodff broadcast from click to long press

Nova Wi-Fi calling allows you to switch between Wi-Fi and
cell by clicking on the status label.

Unfortunately many users are accidentally triggering this
with their face.

As a work around I'm switching the trigger from click to
long press.

Change-Id: I68d7c597cf4d74a3f6b5bfee06e470b4ddcfc1ee