Move Android to the builtin rune table.

llvm-svn: 231897
Cr-Mirrored-From: sso://chromium.googlesource.com/_direct/external/github.com/llvm/llvm-project
Cr-Mirrored-Commit: 900086de8817c49724fa7b71edcbd7155ca955fa
diff --git a/include/__config b/include/__config
index c105518..5dc6c82 100644
--- a/include/__config
+++ b/include/__config
@@ -719,4 +719,8 @@
          _LIBCPP_HAS_NO_THREADS is defined.
 #endif
 
+#if defined(__ANDROID__)
+#define _LIBCPP_PROVIDES_DEFAULT_RUNE_TABLE
+#endif
+
 #endif  // _LIBCPP_CONFIG