base: Update the include paths of base/string_piece.h to its new location.

base/os_compat_android.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/os_compat_android.h"
 
 #include <errno.h>
 #include <math.h>
 #include <sys/stat.h>
 #include <time64.h>
 
 #include "base/rand_util.h"
-#include "base/string_piece.h"
 #include "base/stringprintf.h"
+#include "base/strings/string_piece.h"
 
 // There is no futimes() avaiable in Bionic, so we provide our own
 // implementation until it is there.
 extern "C" {
 
 int futimes(int fd, const struct timeval tv[2]) {
   const std::string fd_path = base::StringPrintf("/proc/self/fd/%d", fd);
   return utimes(fd_path.c_str(), tv);
 }
 
@@ skipping 121 matching lines @@
       // The directory doesn't exist, but an error occured
       return NULL;
     }
   }
 
   // We reached the max number of tries.
   return NULL;
 }
 
 }  // extern "C"