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}

rtc_base/task_queue.h

@@ -90,7 +90,6 @@ class RTC_LOCKABLE RTC_EXPORT TaskQueue {
   // Returns non-owning pointer to the task queue implementation.
   webrtc::TaskQueueBase* Get() { return impl_; }
 
-  // TODO(tommi): For better debuggability, implement RTC_FROM_HERE.
   void PostTask(absl::AnyInvocable<void() &&> task) {
     impl_->PostTask(std::move(task));
   }