Regenerate iamcredentials client (#4605)

Author: yoshi-automation

google-api-grpc/proto-google-cloud-iamcredentials-v1/src/main/proto/google/iam/credentials/v1/common.proto

@@ -25,7 +25,6 @@ option java_multiple_files = true;
 option java_outer_classname = "IAMCredentialsCommonProto";
 option java_package = "com.google.cloud.iam.credentials.v1";
 
-
 message GenerateAccessTokenRequest {
   // The resource name of the service account for which the credentials
   // are requested, in the following format:

google-api-grpc/proto-google-cloud-iamcredentials-v1/src/main/proto/google/iam/credentials/v1/iamcredentials.proto

@@ -25,7 +25,6 @@ option java_multiple_files = true;
 option java_outer_classname = "IAMCredentialsProto";
 option java_package = "com.google.cloud.iam.credentials.v1";
 
-
 // A service account is a special type of Google account that belongs to your
 // application or a virtual machine (VM), instead of to an individual end user.
 // Your application assumes the identity of the service account to call Google
@@ -37,15 +36,17 @@ option java_package = "com.google.cloud.iam.credentials.v1";
 // more.
 service IAMCredentials {
   // Generates an OAuth 2.0 access token for a service account.
-  rpc GenerateAccessToken(GenerateAccessTokenRequest) returns (GenerateAccessTokenResponse) {
+  rpc GenerateAccessToken(GenerateAccessTokenRequest)
+      returns (GenerateAccessTokenResponse) {
     option (google.api.http) = {
       post: "/v1/{name=projects/*/serviceAccounts/*}:generateAccessToken"
       body: "*"
     };
   }
 
   // Generates an OpenID Connect ID token for a service account.
-  rpc GenerateIdToken(GenerateIdTokenRequest) returns (GenerateIdTokenResponse) {
+  rpc GenerateIdToken(GenerateIdTokenRequest)
+      returns (GenerateIdTokenResponse) {
     option (google.api.http) = {
       post: "/v1/{name=projects/*/serviceAccounts/*}:generateIdToken"
       body: "*"

google-cloud-clients/google-cloud-iamcredentials/synth.metadata

@@ -1,19 +1,19 @@
 {
-  "updateTime": "2019-01-17T08:44:16.541917Z",
+  "updateTime": "2019-03-01T08:44:56.923289Z",
   "sources": [
     {
       "generator": {
         "name": "artman",
-        "version": "0.16.6",
-        "dockerImage": "googleapis/artman@sha256:12722f2ca3fbc3b53cc6aa5f0e569d7d221b46bd876a2136497089dec5e3634e"
+        "version": "0.16.14",
+        "dockerImage": "googleapis/artman@sha256:f3d61ae45abaeefb6be5f228cda22732c2f1b00fb687c79c4bd4f2c42bb1e1a7"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "0ac60e21a1aa86c07c1836865b35308ba8178b05",
-        "internalRef": "229626798"
+        "sha": "41d72d444fbe445f4da89e13be02078734fb7875",
+        "internalRef": "236230004"
       }
     }
   ],