Don't query incall plugin invite intent until its actually needed

Invite pending intents used to be gathered at start of the call.
This caused incallapi plugins possibly request permissions causing
a break in UI flow. Get the invite intent at a time that makes sense.

Ticket CYNGNOS-2748

Change-Id: I626d65744f8826e053a9251f04deeccb395de49d
4 files changed
tree: 3093dc92c8158cc44115b600e9b4e13ded1a7b08
  1. res/
  2. src/
  3. tests/
  4. .gitreview
  5. proguard.flags