Temporary move __udivdi3 back to LIBC for x86

Bug: http://b/26289334
Bug: http://b/26413821
Change-Id: Ifb0eb6f16aca54cb4a9184a6394992ee57dd3408
diff --git a/libc/libc.map.txt b/libc/libc.map.txt
index d2e2b1b..4d06c52 100644
--- a/libc/libc.map.txt
+++ b/libc/libc.map.txt
@@ -223,6 +223,7 @@
     __timer_getoverrun; # arm x86 mips
     __timer_gettime; # arm x86 mips
     __timer_settime; # arm x86 mips
+    __udivdi3; # x86
     __umask_chk;
     __vsnprintf_chk;
     __vsprintf_chk;
@@ -1455,7 +1456,7 @@
     __system_property_update; # arm64 x86_64 mips64
     __system_property_wait_any; # arm64 x86_64 mips64
     __truncdfsf2; # arm
-    __udivdi3; # arm x86 mips
+    __udivdi3; # arm mips
     __udivsi3; # arm
     __umoddi3; # x86 mips
     __unorddf2; # arm