Added securityDef region tag to openapi.yaml for documentation purposes (#800)
Added securityDef region tag to openapi.yaml for documentation purposes (#800)


sharbison3/python-docs-samples,canglade/NLP,JavaRabbit/CS496_capstone,sharbison3/python-docs-samples,canglade/NLP,JavaRabbit/CS496_capstone,GoogleCloudPlatform/python-docs-samples,canglade/NLP,GoogleCloudPlatform/python-docs-samples,BrandonY/python-docs-samples,sharbison3/python-docs-samples,canglade/NLP,sharbison3/python-docs-samples,GoogleCloudPlatform/python-docs-samples,BrandonY/python-docs-samples,JavaRabbit/CS496_capstone,BrandonY/python-docs-samples,GoogleCloudPlatform/python-docs-samples,BrandonY/python-docs-samples,JavaRabbit/CS496_capstone