Fixed indentation and added the description of how to supply argument with specification of a name for the ouputfile where the contentMetrics etc. are logged.

Added description for argument to specify filename for output file where feature vectors are stored.

Fixed indentation

BUG=

Review URL: https://webrtc-codereview.appspot.com/966019

git-svn-id: http://webrtc.googlecode.com/svn/trunk@3096 4adac7df-926f-26a2-2b94-8c16560cd09d

webrtc/modules/video_coding/main/test/tester_main.cc

@@ -160,7 +160,8 @@ int main(int argc, char **argv)
     printf("Unable to parse input arguments\n");
     printf("args: -n <test #> -w <width> -h <height> -f <fps> -b <bps> "
            "-c <codec>  -i <input file> -o <output file> -p <packet loss> "
-           "-r <round-trip-time> -e <cama enable> -m <protection mode> \n");
+           "-r <round-trip-time> -e <cama enable> -m <protection mode> "
+           "-v <feature vector output file>\n");
     return -1;
   }