Restructure RtcpTransceiver tests to use fake time instead of real time

to make tests faster and more determenistic.

Bug: webrtc:8239
Change-Id: I18067251a1f1a349fda28bbfbb59bce333bfddca
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/201737
Commit-Queue: Danil Chapovalov <danilchap@webrtc.org>
Reviewed-by: Per Kjellander <perkj@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#36938}

modules/rtp_rtcp/BUILD.gn

@@ -606,12 +606,14 @@ if (rtc_include_tests) {
       ":rtp_rtcp_format",
       ":rtp_rtcp_legacy",
       "../../api:array_view",
+      "../../api:create_time_controller",
       "../../api:libjingle_peerconnection_api",
       "../../api:mock_frame_encryptor",
       "../../api:rtp_headers",
       "../../api:rtp_packet_info",
       "../../api:rtp_parameters",
       "../../api:scoped_refptr",
+      "../../api:time_controller",
       "../../api:transport_api",
       "../../api/rtc_event_log",
       "../../api/transport:field_trial_based_config",

modules/rtp_rtcp/source/rtcp_transceiver.cc

@@ -19,7 +19,7 @@
 #include "rtc_base/checks.h"
 #include "rtc_base/event.h"
 #include "rtc_base/task_utils/to_queued_task.h"
-#include "rtc_base/time_utils.h"
+#include "system_wrappers/include/clock.h"
 
 namespace webrtc {
 

modules/rtp_rtcp/source/rtcp_transceiver_config.cc

@@ -44,6 +44,10 @@ bool RtcpTransceiverConfig::Validate() const {
                       << " more than " << IP_PACKET_SIZE << " is unsupported.";
     return false;
   }
+  if (clock == nullptr) {
+    RTC_LOG(LS_ERROR) << debug_id << "clock must be set";
+    return false;
+  }
   if (!outgoing_transport) {
     RTC_LOG(LS_ERROR) << debug_id << "outgoing transport must be set";
     return false;

modules/rtp_rtcp/source/rtcp_transceiver_impl.cc

@@ -37,7 +37,7 @@
 #include "rtc_base/numerics/divide_round.h"
 #include "rtc_base/task_utils/repeating_task.h"
 #include "rtc_base/task_utils/to_queued_task.h"
-#include "rtc_base/time_utils.h"
+#include "system_wrappers/include/clock.h"
 
 namespace webrtc {
 namespace {
@@ -562,13 +562,15 @@ void RtcpTransceiverImpl::ReschedulePeriodicCompoundPackets() {
 }
 
 void RtcpTransceiverImpl::SchedulePeriodicCompoundPackets(TimeDelta delay) {
-  periodic_task_handle_ =
-      RepeatingTaskHandle::DelayedStart(config_.task_queue, delay, [this] {
+  periodic_task_handle_ = RepeatingTaskHandle::DelayedStart(
+      config_.task_queue, delay,
+      [this] {
         RTC_DCHECK(config_.schedule_periodic_compound_packets);
         RTC_DCHECK(ready_to_send_);
         SendPeriodicCompoundPacket();
         return config_.report_period;
-      });
+      },
+      TaskQueueBase::DelayPrecision::kLow, config_.clock);
 }
 
 std::vector<uint32_t> RtcpTransceiverImpl::FillReports(