Add support for ~0 indexing for resource indices
Add support for ~0 indexing for resource indices

When specificing ~0 syntax parser does not substitute resources like
`resource_name/<id>` to `<id>`. Proposed changes handles this situation.

Change-Id: Ie32d5ac5957ce27a6a01c2879e0097604bc6c3a6

google/ads-api-report-fetcher,google/ads-api-report-fetcher,google/ads-api-report-fetcher,google/ads-api-report-fetcher