Fixing path to ptypes.txt in NetEqRTPplay

The default path to the file ptypes.txt needed by NetEqRTPplay
had gone old. Updating to new repo layout.

Also purging old payload types from the file itself.

Review URL: https://webrtc-codereview.appspot.com/966035

git-svn-id: http://webrtc.googlecode.com/svn/trunk@3243 4adac7df-926f-26a2-2b94-8c16560cd09d

webrtc/modules/audio_coding/neteq/test/NetEqRTPplay.cc

@@ -381,7 +381,7 @@ int main(int argc, char* argv[])
             strncpy(ptypesfile, argv[0], path_len);
             ptypesfile[path_len] = '\0';
             strcat(ptypesfile,
-                   "src/modules/audio_coding/NetEQ/main/test/ptypes.txt");
+                   "webrtc/modules/audio_coding/neteq/test/ptypes.txt");
             ptypeFile = fopen(ptypesfile,"rt");
         }
     }