Revert "Change operation id from integer to string representation"

This reverts commit bae15a71bfeac800f08b4f07599262edc9785c71.

Reason for revert: Breaks build

Exempt-From-Owner-Approval: revert to fix build breakage

Change-Id: Ice06ab93dc2836c69aeef68558dc07a6a25593ec
1 file changed
tree: 8c929db3ca3b3bdcebdddaaae3df34f89e1a4cfc
  1. stats/