some api fixes for http(s) health checks
some api fixes for http(s) health checks

Change-Id: Id269151a245f71d7c3f38fa3b4af4848251bd43d

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