Update rtc_tools/rtp_generator to compile

This is a trivial CL, updating rtp_generator.cc according to changes in
APIs in other places.

Bug: webrtc:10807
Change-Id: Ie85c6283f2d78dcf742979378db0b4fb0914c96c
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/145209
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Commit-Queue: Ilya Nikolaevskiy <ilnik@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#28526}
diff --git a/rtc_tools/BUILD.gn b/rtc_tools/BUILD.gn
index 75b29f3..63a8b69 100644
--- a/rtc_tools/BUILD.gn
+++ b/rtc_tools/BUILD.gn
@@ -156,6 +156,8 @@
     deps = [
       "../api:libjingle_peerconnection_api",
       "../api:transport_api",
+      "../api/task_queue:default_task_queue_factory",
+      "../api/task_queue:task_queue",
       "../api/video:builtin_video_bitrate_allocator_factory",
       "../api/video_codecs:builtin_video_decoder_factory",
       "../api/video_codecs:builtin_video_encoder_factory",
@@ -180,6 +182,7 @@
       "../test:video_test_common",
       "//third_party/abseil-cpp/absl/flags:flag",
       "//third_party/abseil-cpp/absl/flags:parse",
+      "//third_party/abseil-cpp/absl/memory",
       "//third_party/abseil-cpp/absl/strings",
     ]
   }