feat: [google-cloud-network-management] add new enum values related to Google services (#12478)

- [ ] Regenerate this pull request now. PiperOrigin-RevId: 617556344 Source-Link: googleapis/googleapis@232e562 Source-Link: googleapis/googleapis-gen@28ae567 Copy-Tag: eyJwIjoicGFja2FnZXMvZ29vZ2xlLWNsb3VkLW5ldHdvcmstbWFuYWdlbWVudC8uT3dsQm90LnlhbWwiLCJoIjoiMjhhZTU2Nzk0OTZjZWFhOTk0NDQzMDI0NWE1MDRmMmJhZWJiNDg1NCJ9 --------- Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com> Co-authored-by: Victor Chudnovsky <vchudnov@google.com> Co-authored-by: Anthonios Partheniou <partheniou@google.com>

Author: 3 people

packages/google-cloud-network-management/google/cloud/network_management_v1/types/trace.py

@@ -301,11 +301,8 @@ class State(proto.Enum):
  Initial state: packet originating from the
  internet. The endpoint information is populated.
  START_FROM_GOOGLE_SERVICE (27):
- Initial state: packet originating from a
- Google service. Some Google services, such as
- health check probers or Identity Aware Proxy use
- special routes, outside VPC routing
- configuration to reach Compute Engine Instances.
+ Initial state: packet originating from a Google service. The
+ google_service information is populated.
  START_FROM_PRIVATE_NETWORK (3):
  Initial state: packet originating from a VPC
  or on-premises network with internal source IP.
@@ -1034,8 +1031,7 @@ class GoogleServiceType(proto.Enum):
 
  Values:
  GOOGLE_SERVICE_TYPE_UNSPECIFIED (0):
- Unspecified Google Service. Includes most of
- Google APIs and services.
+ Unspecified Google Service.
  IAP (1):
  Identity aware proxy.
  https://cloud.google.com/iap/docs/using-tcp-forwarding
@@ -1051,11 +1047,23 @@ class GoogleServiceType(proto.Enum):
  private routing.
  https://cloud.google.com/dns/docs/zones/forwarding-zones#firewall-rules
  https://cloud.google.com/dns/docs/policies#firewall-rules
+ GOOGLE_API (4):
+ private.googleapis.com and
+ restricted.googleapis.com
+ GOOGLE_API_PSC (5):
+ Google API via Private Service Connect.
+ https://cloud.google.com/vpc/docs/configure-private-service-connect-apis
+ GOOGLE_API_VPC_SC (6):
+ Google API via VPC Service Controls.
+ https://cloud.google.com/vpc/docs/configure-private-service-connect-apis
  """
  GOOGLE_SERVICE_TYPE_UNSPECIFIED = 0
  IAP = 1
  GFE_PROXY_OR_HEALTH_CHECK_PROBER = 2
  CLOUD_DNS = 3
+ GOOGLE_API = 4
+ GOOGLE_API_PSC = 5
+ GOOGLE_API_VPC_SC = 6
 
  source_ip: str = proto.Field(
  proto.STRING,