Use PRIuMAX for Android format strings.

Summary: Provide a more Android compatible version of sformat.

Reviewed By: sgolemon

Differential Revision: D2825105

fb-gh-sync-id: ce328d17b9f8008d81bc7dd5bf7f0905e560dfe1

folly/Format-inl.h

@@ -19,6 +19,7 @@
 #endif
 
 #include <array>
+#include <cinttypes>
 #include <deque>
 #include <map>
 #include <unordered_map>
@@ -501,6 +502,9 @@ class FormatValue<
         valBufBegin,
         (int)((valBuf + valBufSize) - valBufBegin)
       );
+#elif defined(__ANDROID__)
+      int len = snprintf(valBufBegin, (valBuf + valBufSize) - valBufBegin,
+                         "%" PRIuMAX, static_cast<uintmax_t>(uval));
 #else
       int len = snprintf(valBufBegin, (valBuf + valBufSize) - valBufBegin,
                          "%'ju", static_cast<uintmax_t>(uval));