GitLab

Rename "Trick to Bill" in the code to "Billing".
This CL will change values such as:
- SB_THREAT_TYPE_TRICK_TO_BILL to SB_THREAT_TYPE_BILLING
- SB_REASON_TRICK_TO_BILL to SB_REASON_BILLING

Bug: 867518
Change-Id: I0f1b5f9bb8c21d10053de74001b5af0d493e4363
Reviewed-on: https://chromium-review.googlesource.com/1159228Reviewed-by: Mustafa Emre Acer <meacer@chromium.org>
Reviewed-by: Varun Khaneja <vakh@chromium.org>
Commit-Queue: Varun Khaneja <vakh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#580698}