gapic: Cleanup paths utilities.
gapic: Cleanup paths utilities.

dsrbecky/gapid,google/agi,google/gapid,google/agi,ek9852/gapid,google/gapid,pmuetschard/gapid,pmuetschard/gapid,google/agi,ek9852/gapid,baldwinn860/gapid,dsrbecky/gapid,baldwinn860/gapid,baldwinn860/gapid,baldwinn860/gapid,Qining/gapid,google/gapid,pmuetschard/gapid,baldwinn860/gapid,Qining/gapid,google/gapid,Qining/gapid,dsrbecky/gapid,Qining/gapid,dsrbecky/gapid,google/agi,google/agi,google/agi,Qining/gapid,ek9852/gapid,pmuetschard/gapid,baldwinn860/gapid,dsrbecky/gapid,Qining/gapid,pmuetschard/gapid,baldwinn860/gapid,pmuetschard/gapid,ek9852/gapid,pmuetschard/gapid,google/gapid,google/gapid,google/gapid,ek9852/gapid,google/agi,google/gapid,dsrbecky/gapid,Qining/gapid,ek9852/gapid,ek9852/gapid,dsrbecky/gapid,pmuetschard/gapid,baldwinn860/gapid,dsrbecky/gapid,ek9852/gapid,google/agi,Qining/gapid