Add Assisted Dialing iconography to the incallui.
* Abstracts reference to telecom constant until available in the platform.
* Implements a new "Assisted Dialing" token/icon until final UX mocks are available.
* Adds unit test for outgoing call.
In a subsequent, related change:
* Modifications to fragments that contain contacts, the extra key will be inserted via call details to indicate the outgoing intent should use assisted dialing.
Bug: 64205446
Test: New Unit Test
PiperOrigin-RevId: 164788082
Change-Id: I5d388f7b6c4e55c42773d314d2417b6dbc38b972
7 files changed