Propagate active decode targets bitmask into DependencyDescriptor

Bug: webrtc:10342
Change-Id: I5e8a204881b94fe5786b14e27cefce2fe056e91b
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/178140
Reviewed-by: Björn Terelius <terelius@webrtc.org>
Reviewed-by: Philip Eliasson <philipel@webrtc.org>
Commit-Queue: Danil Chapovalov <danilchap@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#31579}

call/rtp_payload_params.cc

diff --git a/call/rtp_payload_params.cc b/call/rtp_payload_params.cc
index 110db2e..ad979a5 100644
--- a/call/rtp_payload_params.cc
+++ b/call/rtp_payload_params.cc
@@ -245,6 +245,7 @@
   generic.spatial_index = frame_info.spatial_id;
   generic.temporal_index = frame_info.temporal_id;
   generic.decode_target_indications = frame_info.decode_target_indications;
+  generic.active_decode_targets = frame_info.active_decode_targets;
   return generic;
 }