Revert 7041 " Audio codecs to include webrtc/typedefs.h"

Breaks gn build, see e.g. http://chromegw.corp.google.com/i/chromium.webrtc.fyi/builders/Linux%20GN/builds/1248/steps/compile/logs/stdio

R=turaj@webrtc.org
TBR=andresp@webrtc.org
BUG=N/A

Review URL: https://webrtc-codereview.appspot.com/19219004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@7046 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/webrtc/modules/audio_coding/codecs/ilbc/constants.h b/webrtc/modules/audio_coding/codecs/ilbc/constants.h
index ff6370e..cdc8a9c 100644
--- a/webrtc/modules/audio_coding/codecs/ilbc/constants.h
+++ b/webrtc/modules/audio_coding/codecs/ilbc/constants.h
@@ -20,7 +20,7 @@
 #define WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_CONSTANTS_H_
 
 #include "defines.h"
-#include "webrtc/typedefs.h"
+#include "typedefs.h"
 
 /* high pass filters */