role-ducking, role-cork, stream-interaction: Fetch and apply upstream codes

role-ducking, role-cork, stream-interaction: Fetch and apply upstream codes

 - stream-interaction: Support for triggering ducking/cork by source-output
  : https://gitlab.freedesktop.org/pulseaudio/pulseaudio/commit/0f4f109a3c1035ef3d8321ff836f83b3b6157326

 - stream-interaction: Use PA_IDXSET_FOREACH macro to iterate idxset
  : https://gitlab.freedesktop.org/pulseaudio/pulseaudio/commit/5540f728e52e9c369079e3ac83b8bc55e3519079

 - role-ducking, role-cork: Add use_source_trigger argument
  : https://gitlab.freedesktop.org/pulseaudio/pulseaudio/commit/65cc86f609525a89b740de6b366e35277763e32c

[Version] 11.1-78
[Issue Type] Upstream patch

Change-Id: I9b707e873a6fd1c50ee8fb47f82f09b8a092cd7f
Signed-off-by: Sangchul Lee <sc11.lee@samsung.com>