Delete leftover mention of AsyncInvoker

Bug: None
Change-Id: I8900873f096225fecfbb2115642fa16178078db6
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/189545
Reviewed-by: Sebastian Jansson <srte@webrtc.org>
Reviewed-by: Sami Kalliomäki <sakal@webrtc.org>
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Commit-Queue: Niels Moller <nisse@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#32440}

api/test/DEPS

@@ -11,11 +11,6 @@ specific_include_rules = {
   "fake_constraints\.h": [
     "+rtc_base/string_encode.h",
   ],
-  "loopback_media_transport\.h": [
-    "+rtc_base/async_invoker.h",
-    "+rtc_base/thread.h",
-    "+rtc_base/thread_checker.h",
-  ],
   "neteq_factory_with_codecs\.h": [
     "+system_wrappers/include/clock.h",
   ],

pc/rtp_data_channel.h

@@ -191,7 +191,6 @@ class RtpDataChannel : public DataChannelInterface,
   uint32_t send_ssrc_ RTC_GUARDED_BY(signaling_thread_) = 0;
   uint32_t receive_ssrc_ RTC_GUARDED_BY(signaling_thread_) = 0;
   PacketQueue queued_received_data_ RTC_GUARDED_BY(signaling_thread_);
-  rtc::AsyncInvoker invoker_ RTC_GUARDED_BY(signaling_thread_);
 };
 
 }  // namespace webrtc

sdk/android/src/jni/android_video_track_source.h

@@ -15,7 +15,6 @@
 
 #include "common_video/libyuv/include/webrtc_libyuv.h"
 #include "media/base/adapted_video_track_source.h"
-#include "rtc_base/async_invoker.h"
 #include "rtc_base/checks.h"
 #include "rtc_base/thread.h"
 #include "rtc_base/timestamp_aligner.h"