Disable the GCF dotnet kokoro presubmit
Disable the GCF dotnet kokoro presubmit

PiperOrigin-RevId: 457803483
Change-Id: I9ac3c9dc084562b35e2926298b015a44131c090e

GoogleCloudPlatform/buildpacks,GoogleCloudPlatform/buildpacks,GoogleCloudPlatform/buildpacks,GoogleCloudPlatform/buildpacks