Replace Thread::Invoke with Thread::BlockingCall

BlockingCall doesn't take rtc::Location parameter and thus most of the dependencies on location can be removed

Bug: webrtc:11318
Change-Id: I91a17e342dd9a9e3e2c8f7fbe267474c98a8d0e5
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/274620
Reviewed-by: Tomas Gunnarsson <tommi@webrtc.org>
Commit-Queue: Danil Chapovalov <danilchap@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#38045}
diff --git a/rtc_base/network.cc b/rtc_base/network.cc
index 673a113..ce77cbc 100644
--- a/rtc_base/network.cc
+++ b/rtc_base/network.cc
@@ -1253,7 +1253,7 @@
   if (thread_ == nullptr) {
     vpn_ = vpn;
   } else {
-    thread_->Invoke<void>(RTC_FROM_HERE, [this, vpn] { vpn_ = vpn; });
+    thread_->BlockingCall([this, vpn] { vpn_ = vpn; });
   }
 }