Ensure that we do not generate downstreams when PRs are opened against non-master branches. (#2353)
Ensure that we do not generate downstreams when PRs are opened against non-master branches. (#2353)

Merged PR #2353.

GoogleCloudPlatform/magic-modules,GoogleCloudPlatform/magic-modules,GoogleCloudPlatform/magic-modules,GoogleCloudPlatform/magic-modules,GoogleCloudPlatform/magic-modules