New rtc dump analyzing tool in Python

webrtc/BUILD.gn

Index: webrtc/BUILD.gn
diff --git a/webrtc/BUILD.gn b/webrtc/BUILD.gn
index 07f2fe998d37982aaa5a626c3c50bd1abf8bf37a..735361172bc88547171b7cd0c0da3c7f09508466 100644
--- a/webrtc/BUILD.gn
+++ b/webrtc/BUILD.gn
@@ -333,6 +333,18 @@ source_set("rtc_event_log") {
   }
 }
 
+copy("rtp_analyzer, copy *py files to $root_build_dir") {
+  sources = [
+    "//tools/py_event_log_analyzer/copy_files.py",
+    "//tools/py_event_log_analyzer/misc.py",
+    "//tools/py_event_log_analyzer/pb_parse.py",
+    "//tools/py_event_log_analyzer/rtp_analyzer.py",
+  ]
+  outputs = [
+    "$root_build_dir/{{source_file_part}}",
+  ]
+}
+
 if (rtc_enable_protobuf) {
   source_set("rtc_event_log_parser") {
     sources = [