Create and update an outgoing call with a provided list of media

1- Allow to make an outgoing call with a provided list of media. This feature will allow adding an arbitrary number of media instead of limited to a max of 2 media.

2- Allow changing the media of an ongoing call without the need to terminate and start a new call.

changed milestone to %Iteration 25

added to epic &17 (closed)

changed title from Add/Remove video media stream to an ongoing call to Add/Remove video media stream to/from an ongoing call

changed epic to &11 (closed)

changed milestone to %Iteration 25

changed title from Add/Remove video media stream to/from an ongoing call to Create an outgoing call with a provided media list

changed the description

added SprintIn progress label

added SprintTo review label and removed SprintIn progress label

changed milestone to %Iteration 26

changed milestone to %Iteration 27

added SprintIn progress label and removed SprintTo review label

changed time estimate to 3d

changed the description

added SprintTo review label and removed SprintIn progress label

added 1 deleted label

changed title from Create an outgoing call with a provided media list to Create and update an outgoing call with a provided media list

changed the description

removed milestone %Iteration 27

mentioned in commit de767c12

changed the description

changed title from Create and update an outgoing call with a provided media list to Create and update an outgoing call with a provided list of media

mentioned in commit a66b10c3

added SprintDone label and removed SprintTo review label

mentioned in commit 77a69e76

closed

removed SprintDone label

added typefeature request label