update uap-core submodule to 0.6.7

Sergey Polischouck · Sergey Polischouck · commit d998dbb555bc · 2019-04-09T11:29:32.000+03:00
diff --git a/uap-core b/uap-core
@@ -1 +1 @@
-Subproject commit bb1a20ea89e58614711afe5582ca57f16736d89b
+Subproject commit 71ec72cd37a940683cd40af3f7ab738ecbdcc45b
