Landing patch set 7 from https://codereview.chromium.org/1450113003/

runtime/vm/os_thread_android.cc

Index: runtime/vm/os_thread_android.cc
diff --git a/runtime/vm/os_thread_android.cc b/runtime/vm/os_thread_android.cc
index d2205d15c811f3bddc3276b1b2b7c88743841ed6..1faf5db45a9a14a2fe42f65e638909dd663547fb 100644
--- a/runtime/vm/os_thread_android.cc
+++ b/runtime/vm/os_thread_android.cc
@@ -11,6 +11,7 @@
 #include <sys/time.h>  // NOLINT
 
 #include "platform/assert.h"
+#include "platform/utils.h"
 
 namespace dart {
 
@@ -18,7 +19,7 @@ namespace dart {
   if (result != 0) { \
     const int kBufferSize = 1024; \
     char error_message[kBufferSize]; \
-    strerror_r(result, error_message, kBufferSize); \
+    Utils::StrError(result, error_message, kBufferSize); \
     FATAL2("pthread error: %d (%s)", result, error_message); \
   }
 
@@ -36,7 +37,7 @@ namespace dart {
   if (result != 0) { \
     const int kBufferSize = 1024; \
     char error_message[kBufferSize]; \
-    strerror_r(result, error_message, kBufferSize); \
+    Utils::StrError(result, error_message, kBufferSize); \
     fprintf(stderr, "%s:%d: pthread error: %d (%s)\n", \
             __FILE__, __LINE__, result, error_message); \
     return result; \