Add powerEfficientDecoder and powerEfficientEncoder stats

The spec for these are at https://w3c.github.io/webrtc-stats/#dom-rtcinboundrtpstreamstats-powerefficientdecoder and https://w3c.github.io/webrtc-stats/#dom-rtcinboundrtpstreamstats-powerefficientdecoder

These stats are based on the is_hardware_accelerated boolean in both the
DecoderInfo and EncoderInfo structs.

Bug: webrtc:14483
Change-Id: I4610da3c6ae977f5853a3b3424d91d864fe72592
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/274409
Reviewed-by: Erik Språng <sprang@webrtc.org>
Commit-Queue: Evan Shrubsole <eshr@webrtc.org>
Reviewed-by: Henrik Boström <hbos@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#38441}

video/video_stream_decoder2.cc

diff --git a/video/video_stream_decoder2.cc b/video/video_stream_decoder2.cc
index 0a8825d..1ef2d0e 100644
--- a/video/video_stream_decoder2.cc
+++ b/video/video_stream_decoder2.cc
@@ -10,6 +10,7 @@
 
 #include "video/video_stream_decoder2.h"
 
+#include "api/video_codecs/video_decoder.h"
 #include "modules/video_coding/video_receiver2.h"
 #include "rtc_base/checks.h"
 #include "video/receive_statistics_proxy2.h"
@@ -60,9 +61,9 @@
   receive_stats_callback_->OnIncomingPayloadType(payload_type);
 }
 
-void VideoStreamDecoder::OnDecoderImplementationName(
-    const char* implementation_name) {
-  receive_stats_callback_->OnDecoderImplementationName(implementation_name);
+void VideoStreamDecoder::OnDecoderInfoChanged(
+    const VideoDecoder::DecoderInfo& decoder_info) {
+  receive_stats_callback_->OnDecoderInfo(decoder_info);
 }
 
 }  // namespace internal