Restore old name mangling in RecurrentStack
Restore old name mangling in RecurrentStack

nke001/attention-lvcsr,nke001/attention-lvcsr,nke001/attention-lvcsr,nke001/attention-lvcsr,rizar/attention-lvcsr,rizar/attention-lvcsr,rizar/attention-lvcsr,nke001/attention-lvcsr,rizar/attention-lvcsr,rizar/attention-lvcsr