Added tag jdk8u152-b31 for changeset 172fa1c46862
diff --git a/jdk/.hgtags b/jdk/.hgtags
index 6ba9ffd..225b83e 100644
--- a/jdk/.hgtags
+++ b/jdk/.hgtags
@@ -770,3 +770,4 @@
 50047f057dc14fa5e08e2b449304a21889e4079a jdk8u152-b14
 bfd67d7c7d41b320225d5502cec55c6b38cdaa6d jdk8u152-b15
 1cb70967c4d78a45a60d0d6eb64cb7fbe89ad005 jdk8u152-b16
+9dce8b2a03e056c54789c555176bd2c8a48b844f jdk8u152-b31