Add google_cloud_ids_endpoint to TGC and fix test auto-discovery bug

[zli82016]

This PR adds support for the google_cloud_ids_endpoint resource in TGC next, and fixes an early exit bug in the code generator's handwritten test auto-discovery.

[modular-magician]

Hi there, I'm the Modular magician. I've detected the following information about your changes for commit 1169777:

Diff report

Your PR generated the following diffs in downstream repositories:

Repository	Diff Link	Changes
terraform-google-conversion	View Diff	10 files changed, 580 insertions(+)

[modular-magician]

Hi there, I'm the Modular magician. I've detected the following information about your changes for commit 930a61b:

Diff report

Your PR generated the following diffs in downstream repositories:

Repository	Diff Link	Changes
terraform-google-conversion	View Diff	10 files changed, 580 insertions(+)