I regenerated a signed apk with proguard and it created the mapping.txt under build/proguard :)
I believe I had generated the last apk within the intellij menu. I just recently switched to gradle. Happy coding everyone :) -- You received this message because you are subscribed to the Google Groups "adt-dev" group. To unsubscribe from this group and stop receiving emails from it, send an email to adt-dev+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.