Replace chrome string util with android base ones

Replaces <base/stringutils.h> with <android-base/stringutils.h>
Replaces base::StringPrintf with android::base::StringPrintf

This change is very mechanical, no change in program behavior only
library functions are being replaced.

Test: th
Change-Id: Ie5797a27ea3cdd3ff537216dc39dffeac052565e
diff --git a/payload_consumer/partition_writer.cc b/payload_consumer/partition_writer.cc
index e55722c..a415100 100644
--- a/payload_consumer/partition_writer.cc
+++ b/payload_consumer/partition_writer.cc
@@ -30,7 +30,7 @@
 
 #include <base/strings/string_number_conversions.h>
 #include <base/strings/string_util.h>
-#include <base/strings/stringprintf.h>
+#include <android-base/stringprintf.h>
 
 #include "update_engine/common/error_code.h"
 #include "update_engine/common/utils.h"
@@ -328,9 +328,9 @@
     vector<string> source_extents;
     for (const Extent& ext : operation.src_extents()) {
       source_extents.push_back(
-          base::StringPrintf("%" PRIu64 ":%" PRIu64,
-                             static_cast<uint64_t>(ext.start_block()),
-                             static_cast<uint64_t>(ext.num_blocks())));
+          android::base::StringPrintf("%" PRIu64 ":%" PRIu64,
+                                      static_cast<uint64_t>(ext.start_block()),
+                                      static_cast<uint64_t>(ext.num_blocks())));
     }
     LOG(ERROR) << "Operation source (offset:size) in blocks: "
                << base::JoinString(source_extents, ",");