Attempted to fix StringConcatFactory.

Author: 23rd

TMessagesProj/proguard-rules.pro

@@ -111,4 +111,6 @@
 # https://github.com/osmdroid/osmdroid/issues/633
 -dontwarn org.osmdroid.tileprovider.modules.NetworkAvailabliltyCheck
 # Osmdroid
--dontwarn org.osmdroid.**
+-dontwarn org.osmdroid.**
+
+-dontwarn java.lang.invoke.StringConcatFactory