shill: Update to build against libchrome-242728.

BUG=chromium:341521
CQ-DEPEND=CL:193660
TEST=Tested the following:
1. `FEATURES=test USE='cellular wimax' emerge-$BOARD platform2`
2. Run the following tests:
   - network_3GSmokeTest
   - network_VPNConnect.*
   - network_WiMaxSmoke
   - wifi_matfunc

Change-Id: Ic1553c182ab7a833a68c45f012f646b8930cb095
Reviewed-on: https://chromium-review.googlesource.com/193606
Reviewed-by: Ben Chan <benchan@chromium.org>
Tested-by: Ben Chan <benchan@chromium.org>
Commit-Queue: Ben Chan <benchan@chromium.org>
diff --git a/netlink_message.cc b/netlink_message.cc
index 9d0ba3b..3c6be3a 100644
--- a/netlink_message.cc
+++ b/netlink_message.cc
@@ -13,7 +13,7 @@
 
 #include <base/format_macros.h>
 #include <base/stl_util.h>
-#include <base/stringprintf.h>
+#include <base/strings/stringprintf.h>
 
 #include "shill/logging.h"