Rename I420A Multiplex perf test

This test doesn't use foreman_cif as input, so correct the naming to reflect that
input comes from "Generator".

Bug: webrtc:7671
Change-Id: I4bc8fc5eb5c9c3aa1ecc95f47510ee5eaec398eb
Reviewed-on: https://webrtc-review.googlesource.com/61288
Reviewed-by: Niklas Enbom <niklas.enbom@webrtc.org>
Commit-Queue: Emircan Uysaler <emircan@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#22391}
diff --git a/video/full_stack_tests.cc b/video/full_stack_tests.cc
index 4acd961..4ea4d0d 100644
--- a/video/full_stack_tests.cc
+++ b/video/full_stack_tests.cc
@@ -85,15 +85,15 @@
   RunTest(foreman_cif);
 }
 
-TEST_F(FullStackTest, ForemanCifWithoutPacketLossMultiplexI420AFrame) {
-  VideoQualityTest::Params foreman_cif;
-  foreman_cif.call.send_side_bwe = true;
-  foreman_cif.video[0] = {true,   352,    288,   30,          700000,
-                          700000, 700000, false, "multiplex", 1,
-                          0,      0,      false, false,       "GeneratorI420A"};
-  foreman_cif.analyzer = {"foreman_cif_net_delay_0_0_plr_0_Multiplex", 0.0, 0.0,
-                          kFullStackTestDurationSecs};
-  RunTest(foreman_cif);
+TEST_F(FullStackTest, GeneratorWithoutPacketLossMultiplexI420AFrame) {
+  VideoQualityTest::Params generator;
+  generator.call.send_side_bwe = true;
+  generator.video[0] = {true,   352,    288,   30,          700000,
+                        700000, 700000, false, "multiplex", 1,
+                        0,      0,      false, false,       "GeneratorI420A"};
+  generator.analyzer = {"generator_net_delay_0_0_plr_0_Multiplex", 0.0, 0.0,
+                        kFullStackTestDurationSecs};
+  RunTest(generator);
 }
 
 #endif  // !defined(RTC_DISABLE_VP9)