Add CarrierConfig option to not display HD icon

Adds a CarrierConfig option to not display the HD audio icon in the UI
if the carrier does not want it.

Bug: 28654645
Bug: 33062999
Merged-In: I567981ec695c7b85baf97acd509a2320519e4656
Change-Id: I567981ec695c7b85baf97acd509a2320519e4656
1 file changed