Add VP9 K-SVC performance tests.

This adds full stack performance tests for K-SVC mode.

Bug: none
Change-Id: I8e8a6ff72f1b1aed7cb74781b0d7cc645aa12340
Reviewed-on: https://webrtc-review.googlesource.com/77400
Reviewed-by: Stefan Holmer <stefan@webrtc.org>
Reviewed-by: Erik Språng <sprang@webrtc.org>
Commit-Queue: Sergey Silkin <ssilkin@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23288}
diff --git a/video/full_stack_tests.cc b/video/full_stack_tests.cc
index c3cba3c..2317020 100644
--- a/video/full_stack_tests.cc
+++ b/video/full_stack_tests.cc
@@ -748,6 +748,42 @@
       std::vector<SpatialLayer>(), false};
   RunTest(simulcast);
 }
+
+TEST_F(FullStackTest, VP9KSVC_3SL_High) {
+  VideoQualityTest::Params simulcast;
+  simulcast.call.send_side_bwe = true;
+  simulcast.video[0] = kSvcVp9Video;
+  simulcast.analyzer = {"vp9ksvc_3sl_high", 0.0, 0.0,
+                        kFullStackTestDurationSecs};
+  simulcast.ss[0] = {
+      std::vector<VideoStream>(),  0,    3, 2, InterLayerPredMode::kOnKeyPic,
+      std::vector<SpatialLayer>(), false};
+  RunTest(simulcast);
+}
+
+TEST_F(FullStackTest, VP9KSVC_3SL_Medium) {
+  VideoQualityTest::Params simulcast;
+  simulcast.call.send_side_bwe = true;
+  simulcast.video[0] = kSvcVp9Video;
+  simulcast.analyzer = {"vp9ksvc_3sl_medium", 0.0, 0.0,
+                        kFullStackTestDurationSecs};
+  simulcast.ss[0] = {
+      std::vector<VideoStream>(),  0,    3, 1, InterLayerPredMode::kOnKeyPic,
+      std::vector<SpatialLayer>(), false};
+  RunTest(simulcast);
+}
+
+TEST_F(FullStackTest, VP9KSVC_3SL_Low) {
+  VideoQualityTest::Params simulcast;
+  simulcast.call.send_side_bwe = true;
+  simulcast.video[0] = kSvcVp9Video;
+  simulcast.analyzer = {"vp9ksvc_3sl_low", 0.0, 0.0,
+                        kFullStackTestDurationSecs};
+  simulcast.ss[0] = {
+      std::vector<VideoStream>(),  0,    3, 0, InterLayerPredMode::kOnKeyPic,
+      std::vector<SpatialLayer>(), false};
+  RunTest(simulcast);
+}
 #endif  // !defined(RTC_DISABLE_VP9)
 
 // Android bots can't handle FullHD, so disable the test.