Reland "Update includes for webrtc/{base => rtc_base} rename (3/3)"

webrtc/rtc_base/stringencode.cc

Index: webrtc/rtc_base/stringencode.cc
diff --git a/webrtc/rtc_base/stringencode.cc b/webrtc/rtc_base/stringencode.cc
index c7d206fd9329724071095ec675681e98df65d271..93470b6d36fbe496118a7baa98e5092f0569b56a 100644
--- a/webrtc/rtc_base/stringencode.cc
+++ b/webrtc/rtc_base/stringencode.cc
@@ -8,13 +8,13 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#include "webrtc/base/stringencode.h"
+#include "webrtc/rtc_base/stringencode.h"
 
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "webrtc/base/checks.h"
-#include "webrtc/base/stringutils.h"
+#include "webrtc/rtc_base/checks.h"
+#include "webrtc/rtc_base/stringutils.h"
 
 namespace rtc {