update submodule

hideki · hideki · commit d96bffb2ae1d · 2016-03-22T19:06:54.000-07:00
diff --git a/libraries/couchbase-lite-java-core b/libraries/couchbase-lite-java-core
@@ -1 +1 @@
-Subproject commit 738e372a205ea5ec71d74ecadac5d1ed29233599
+Subproject commit 31d86d6d179e8231dc654404e53d763288a895e9
