Updated ref to oc-android-library after increasing its build target to API level 23

owncloud-android-library

@@ -1 +1 @@
-Subproject commit 4eb15976ea5bbf5a2b781bb89a8a31f2825b3925
+Subproject commit 27237576efd9f93ec93eb8bc1d5f123b2caba69a