fix: better support for fallback mode (#392)

- [ ] Regenerate this pull request now.

PiperOrigin-RevId: 468790263

Source-Link: https://github.com/googleapis/googleapis/commit/873ab456273d105245df0fb82a6c17a814553b80

Source-Link: https://github.com/googleapis/googleapis-gen/commit/cb6f37aeff2a3472e40a7bbace8c67d75e24bee5
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiY2I2ZjM3YWVmZjJhMzQ3MmU0MGE3YmJhY2U4YzY3ZDc1ZTI0YmVlNSJ9

gcf-owl-bot[bot] committed 4y ago

2a3374acb91c5054d737edff4017432a7dbb04f3

Parent: 786a6c3

Committed by GitHub <noreply@github.com> on 8/23/2022, 12:04:35 AM