chore(sdk-platform-java): add library to generation_config.yaml

Author: chingor13

generation_config.yaml

@@ -620,6 +620,29 @@ libraries:
   GAPICs:
   - proto_path: google/cloud/support/v2
   - proto_path: google/cloud/support/v2beta
+- api_shortname: common-protos
+  name_pretty: Common Protos
+  product_documentation: https://github.com/googleapis/api-common-protos
+  api_description: Protobuf classes for Google's common protos.
+  release_level: stable
+  client_documentation: https://cloud.google.com/java/docs/reference/proto-google-common-protos/latest/history
+  distribution_name: com.google.api.grpc:proto-google-common-protos
+  excluded_dependencies: proto-google-common-protos,grpc-google-common-protos,proto-google-common-protos-parent
+  excluded_poms: proto-google-common-protos-bom,proto-google-common-protos
+  library_type: OTHER
+  GAPICs:
+  - proto_path: google/api
+  - proto_path: google/apps/card/v1
+  - proto_path: google/cloud
+  - proto_path: google/cloud/audit
+  - proto_path: google/cloud/location
+  - proto_path: google/geo/type
+  - proto_path: google/logging/type
+  - proto_path: google/longrunning
+  - proto_path: google/rpc
+  - proto_path: google/rpc/context
+  - proto_path: google/shopping/type
+  - proto_path: google/type
 - api_shortname: compute
   name_pretty: Compute Engine
   product_documentation: https://cloud.google.com/compute/
@@ -1252,20 +1275,21 @@ libraries:
   requires_billing: true
 - api_shortname: iam
   name_pretty: IAM
-  product_documentation: n/a
-  api_description: n/a
+  product_documentation: https://cloud.google.com/iam
+  api_description: Manages access control for Google Cloud Platform resources
   release_level: stable
-  distribution_name: com.google.cloud:google-iam-policy
-  client_documentation: https://cloud.google.com/java/docs/reference/proto-google-iam-v1/latest/history
+  distribution_name: com.google.api.grpc:proto-google-iam-v1
+  client_documentation: https://cloud.google.com/java/docs/reference/proto-google-iam-v1/latest/overview
   excluded_poms: proto-google-iam-v1-bom,google-iam-policy,proto-google-iam-v1
-  excluded_dependencies: google-iam-policy
+  excluded_dependencies: grpc-google-iam-v1
   GAPICs:
   - proto_path: google/iam/v1
   - proto_path: google/iam/v1beta
   - proto_path: google/iam/v2
   - proto_path: google/iam/v2beta
   - proto_path: google/iam/v3
   - proto_path: google/iam/v3beta
+  library_type: OTHER
 - api_shortname: iam-admin
   name_pretty: IAM Admin API
   product_documentation: https://cloud.google.com/iam/docs/apis
@@ -2463,6 +2487,15 @@ libraries:
   - proto_path: google/shopping/merchant/reviews/v1beta
   requires_billing: true
   library_name: shopping-merchant-reviews
+- api_shortname: showcase
+  excluded_poms: gapic-showcase-bom
+  name_pretty: Showcase
+  api_description: Showcase module
+  product_documentation: https://cloud.google.com/dummy
+  distribution_name: com.google.cloud:gapic-showcase
+  library_type: OTHER
+  GAPICs:
+  - proto_path: schema/google/showcase/v1beta1
 - api_shortname: spanneradapter
   name_pretty: Cloud Spanner Adapter API
   product_documentation: https://cloud.google.com/java/docs/reference/google-cloud-spanneradapter/latest/overview