Revert^2 "CallStyle: Also handle null label to glue"

This reverts commit be7a60f1945a54d17e93c70b96513d0e4942756d.

Reason for revert: ag/26681729 should make this CL work

Change-Id: I6ede35b32cffaab4e3b2e7d9b36b82176628b9e4
1 file changed