Revert "Remove RTC_DISALLOW_COPY_AND_ASSIGN usages completely"

This reverts commit 5f0eb93d2a44cec2102fc8c3757d5bb814bd145f.

Reason for revert: Breaks downstream project. I'm going to fix that one and create a reland of this CL after.

Original change's description:
> Remove RTC_DISALLOW_COPY_AND_ASSIGN usages completely
>
> Bug: webrtc:13555, webrtc:13082
> Change-Id: Iff2cda6f516739419e97e975e03f77a98f74be03
> Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/249260
> Reviewed-by: Harald Alvestrand <hta@webrtc.org>
> Reviewed-by: Artem Titov <titovartem@webrtc.org>
> Commit-Queue: (Daniel.L) Byoungchan Lee <daniel.l@hpcnt.com>
> Cr-Commit-Position: refs/heads/main@{#35805}

TBR=hta@webrtc.org,titovartem@webrtc.org,daniel.l@hpcnt.com,webrtc-scoped@luci-project-accounts.iam.gserviceaccount.com

Change-Id: I33d497f1132adfe6d151023195a388d9b7d548f9
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: webrtc:13555, webrtc:13082
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/249364
Reviewed-by: Artem Titov <titovartem@webrtc.org>
Owners-Override: Artem Titov <titovartem@webrtc.org>
Reviewed-by: Andrey Logvin <landrey@webrtc.org>
Reviewed-by: Björn Terelius <terelius@webrtc.org>
Commit-Queue: Artem Titov <titovartem@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#35807}
diff --git a/rtc_tools/rtc_event_log_visualizer/alerts.h b/rtc_tools/rtc_event_log_visualizer/alerts.h
index 72f1241..d3e4166 100644
--- a/rtc_tools/rtc_event_log_visualizer/alerts.h
+++ b/rtc_tools/rtc_event_log_visualizer/alerts.h
@@ -19,6 +19,7 @@
 
 #include "absl/strings/string_view.h"
 #include "logging/rtc_event_log/rtc_event_log_parser.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_tools/rtc_event_log_visualizer/analyzer_common.h"
 
 namespace webrtc {
@@ -48,9 +49,6 @@
  public:
   explicit TriageHelper(const AnalyzerConfig& config) : config_(config) {}
 
-  TriageHelper(const TriageHelper&) = delete;
-  TriageHelper& operator=(const TriageHelper&) = delete;
-
   void AnalyzeLog(const ParsedRtcEventLog& parsed_log);
 
   void AnalyzeStreamGaps(const ParsedRtcEventLog& parsed_log,
@@ -82,6 +80,7 @@
       it->second.count += 1;
     }
   }
+  RTC_DISALLOW_COPY_AND_ASSIGN(TriageHelper);
 };
 
 }  // namespace webrtc