Boilerplate code addition in order to be able to test upcoming AEC additions

webrtc/modules/audio_processing/test/process_test.cc

Index: webrtc/modules/audio_processing/test/process_test.cc
diff --git a/webrtc/modules/audio_processing/test/process_test.cc b/webrtc/modules/audio_processing/test/process_test.cc
index 608fce5fffceeae83ddd993d5a1d240e12a76992..a52945233390123329a95d5834b95c6666f64bef 100644
--- a/webrtc/modules/audio_processing/test/process_test.cc
+++ b/webrtc/modules/audio_processing/test/process_test.cc
@@ -81,6 +81,7 @@ void usage() {
   printf("  --aec_suppression_level LEVEL  [0 - 2]\n");
   printf("  --extended_filter\n");
   printf("  --no_reported_delay\n");
+  printf("  --next_generation_aec\n");
   printf("\n  -aecm    Echo control mobile\n");
   printf("  --aecm_echo_path_in_file FILE\n");
   printf("  --aecm_echo_path_out_file FILE\n");
@@ -267,6 +268,9 @@ void void_main(int argc, char* argv[]) {
     } else if (strcmp(argv[i], "--delay_agnostic") == 0) {
       config.Set<DelayAgnostic>(new DelayAgnostic(true));
 
+    } else if (strcmp(argv[i], "--next_generation_aec") == 0) {
+      config.Set<NextGenerationAec>(new NextGenerationAec(true));
+
     } else if (strcmp(argv[i], "-aecm") == 0) {
       ASSERT_EQ(apm->kNoError, apm->echo_control_mobile()->Enable(true));