Temporary move __udivdi3 back to LIBC for x86

Bug: http://b/26289334
Bug: http://b/26413821
Change-Id: Ifb0eb6f16aca54cb4a9184a6394992ee57dd3408
diff --git a/libc/libc.arm.brillo.map b/libc/libc.arm.brillo.map
index 317b3b2..ea2fe9e 100644
--- a/libc/libc.arm.brillo.map
+++ b/libc/libc.arm.brillo.map
@@ -1402,7 +1402,7 @@
     __swrite; # arm x86 mips
     __swsetup; # arm x86 mips
     __truncdfsf2; # arm
-    __udivdi3; # arm x86 mips
+    __udivdi3; # arm mips
     __udivsi3; # arm
     __unorddf2; # arm
     __unordsf2; # arm