Clean and regen docs (#401)

diff --git a/docs/dyn/cloudbuild_v1.projects.builds.html b/docs/dyn/cloudbuild_v1.projects.builds.html
index d679463..2d75acf 100644
--- a/docs/dyn/cloudbuild_v1.projects.builds.html
+++ b/docs/dyn/cloudbuild_v1.projects.builds.html
@@ -134,13 +134,13 @@
         # @OutputOnly
     "status": "A String", # Status of the build.
         # @OutputOnly
-    "timeout": "A String", # Amount of time that this build should be allowed to run, to second
-        # granularity. If this amount of time elapses, work on the build will cease
-        # and the build status will be TIMEOUT.
-        #
-        # Default time is ten minutes.
     "startTime": "A String", # Time at which execution of the build was started.
         # @OutputOnly
+    "statusDetail": "A String", # Customer-readable message about the current status.
+        # @OutputOnly
+    "tags": [ # Tags for annotation of a Build. These are not docker tags.
+      "A String",
+    ],
     "projectId": "A String", # ID of the project.
         # @OutputOnly.
     "id": "A String", # Unique identifier of the build.
@@ -158,16 +158,25 @@
         "A String",
       ],
     },
-    "statusDetail": "A String", # Customer-readable message about the current status.
-        # @OutputOnly
-    "options": { # Optional arguments to enable specific features of builds. # Special options for this build.
-      "requestedVerifyOption": "A String", # Requested verifiability options.
-      "sourceProvenanceHash": [ # Requested hash for SourceProvenance.
-        "A String",
-      ],
+    "timeout": "A String", # Amount of time that this build should be allowed to run, to second
+        # granularity. If this amount of time elapses, work on the build will cease
+        # and the build status will be TIMEOUT.
+        #
+        # Default time is ten minutes.
+    "substitutions": { # Substitutions data for Build resource.
+      "a_key": "A String",
     },
     "source": { # Source describes the location of the source in a supported storage # Describes where to find the source files to build.
         # service.
+      "repoSource": { # RepoSource describes the location of the source in a Google Cloud Source # If provided, get source from this location in a Cloud Repo.
+          # Repository.
+        "projectId": "A String", # ID of the project that owns the repo. If omitted, the project ID requesting
+            # the build is assumed.
+        "branchName": "A String", # Name of the branch to build.
+        "commitSha": "A String", # Explicit commit SHA to build.
+        "tagName": "A String", # Name of the tag to build.
+        "repoName": "A String", # Name of the repo. If omitted, the name "default" is assumed.
+      },
       "storageSource": { # StorageSource describes the location of the source in an archive file in # If provided, get the source from this location in in Google Cloud
           # Storage.
           # Google Cloud Storage.
@@ -181,19 +190,16 @@
             # [Bucket Name
             # Requirements](https://cloud.google.com/storage/docs/bucket-naming#requirements)).
       },
-      "repoSource": { # RepoSource describes the location of the source in a Google Cloud Source # If provided, get source from this location in a Cloud Repo.
-          # Repository.
-        "projectId": "A String", # ID of the project that owns the repo. If omitted, the project ID requesting
-            # the build is assumed.
-        "branchName": "A String", # Name of the branch to build.
-        "commitSha": "A String", # Explicit commit SHA to build.
-        "tagName": "A String", # Name of the tag to build.
-        "repoName": "A String", # Name of the repo. If omitted, the name "default" is assumed.
-      },
     },
     "buildTriggerId": "A String", # The ID of the BuildTrigger that triggered this build, if it was
         # triggered automatically.
         # @OutputOnly
+    "options": { # Optional arguments to enable specific features of builds. # Special options for this build.
+      "requestedVerifyOption": "A String", # Requested verifiability options.
+      "sourceProvenanceHash": [ # Requested hash for SourceProvenance.
+        "A String",
+      ],
+    },
     "steps": [ # Describes the operations to be performed on the workspace.
       { # BuildStep describes a step to perform in the build pipeline.
         "waitFor": [ # The ID(s) of the step(s) that this build step depends on.
@@ -303,9 +309,6 @@
         # If any of the images fail to be pushed, the build is marked FAILURE.
       "A String",
     ],
-    "substitutions": { # Substitutions data for Build resource.
-      "a_key": "A String",
-    },
     "createTime": "A String", # Time at which the request to create the build was received.
         # @OutputOnly
     "logUrl": "A String", # URL to logs for this build in Google Cloud Logging.
@@ -349,13 +352,13 @@
       # @OutputOnly
   "status": "A String", # Status of the build.
       # @OutputOnly
-  "timeout": "A String", # Amount of time that this build should be allowed to run, to second
-      # granularity. If this amount of time elapses, work on the build will cease
-      # and the build status will be TIMEOUT.
-      # 
-      # Default time is ten minutes.
   "startTime": "A String", # Time at which execution of the build was started.
       # @OutputOnly
+  "statusDetail": "A String", # Customer-readable message about the current status.
+      # @OutputOnly
+  "tags": [ # Tags for annotation of a Build. These are not docker tags.
+    "A String",
+  ],
   "projectId": "A String", # ID of the project.
       # @OutputOnly.
   "id": "A String", # Unique identifier of the build.
@@ -373,16 +376,25 @@
       "A String",
     ],
   },
-  "statusDetail": "A String", # Customer-readable message about the current status.
-      # @OutputOnly
-  "options": { # Optional arguments to enable specific features of builds. # Special options for this build.
-    "requestedVerifyOption": "A String", # Requested verifiability options.
-    "sourceProvenanceHash": [ # Requested hash for SourceProvenance.
-      "A String",
-    ],
+  "timeout": "A String", # Amount of time that this build should be allowed to run, to second
+      # granularity. If this amount of time elapses, work on the build will cease
+      # and the build status will be TIMEOUT.
+      # 
+      # Default time is ten minutes.
+  "substitutions": { # Substitutions data for Build resource.
+    "a_key": "A String",
   },
   "source": { # Source describes the location of the source in a supported storage # Describes where to find the source files to build.
       # service.
+    "repoSource": { # RepoSource describes the location of the source in a Google Cloud Source # If provided, get source from this location in a Cloud Repo.
+        # Repository.
+      "projectId": "A String", # ID of the project that owns the repo. If omitted, the project ID requesting
+          # the build is assumed.
+      "branchName": "A String", # Name of the branch to build.
+      "commitSha": "A String", # Explicit commit SHA to build.
+      "tagName": "A String", # Name of the tag to build.
+      "repoName": "A String", # Name of the repo. If omitted, the name "default" is assumed.
+    },
     "storageSource": { # StorageSource describes the location of the source in an archive file in # If provided, get the source from this location in in Google Cloud
         # Storage.
         # Google Cloud Storage.
@@ -396,19 +408,16 @@
           # [Bucket Name
           # Requirements](https://cloud.google.com/storage/docs/bucket-naming#requirements)).
     },
-    "repoSource": { # RepoSource describes the location of the source in a Google Cloud Source # If provided, get source from this location in a Cloud Repo.
-        # Repository.
-      "projectId": "A String", # ID of the project that owns the repo. If omitted, the project ID requesting
-          # the build is assumed.
-      "branchName": "A String", # Name of the branch to build.
-      "commitSha": "A String", # Explicit commit SHA to build.
-      "tagName": "A String", # Name of the tag to build.
-      "repoName": "A String", # Name of the repo. If omitted, the name "default" is assumed.
-    },
   },
   "buildTriggerId": "A String", # The ID of the BuildTrigger that triggered this build, if it was
       # triggered automatically.
       # @OutputOnly
+  "options": { # Optional arguments to enable specific features of builds. # Special options for this build.
+    "requestedVerifyOption": "A String", # Requested verifiability options.
+    "sourceProvenanceHash": [ # Requested hash for SourceProvenance.
+      "A String",
+    ],
+  },
   "steps": [ # Describes the operations to be performed on the workspace.
     { # BuildStep describes a step to perform in the build pipeline.
       "waitFor": [ # The ID(s) of the step(s) that this build step depends on.
@@ -518,9 +527,6 @@
       # If any of the images fail to be pushed, the build is marked FAILURE.
     "A String",
   ],
-  "substitutions": { # Substitutions data for Build resource.
-    "a_key": "A String",
-  },
   "createTime": "A String", # Time at which the request to create the build was received.
       # @OutputOnly
   "logUrl": "A String", # URL to logs for this build in Google Cloud Logging.
@@ -554,7 +560,7 @@
         # error message is needed, put the localized message in the error details or
         # localize it in the client. The optional error details may contain arbitrary
         # information about the error. There is a predefined set of error detail types
-        # in the package `google.rpc` which can be used for common error conditions.
+        # in the package `google.rpc` that can be used for common error conditions.
         #
         # # Language mapping
         #
@@ -577,7 +583,7 @@
         #     errors.
         #
         # - Workflow errors. A typical workflow has multiple steps. Each step may
-        #     have a `Status` message for error reporting purpose.
+        #     have a `Status` message for error reporting.
         #
         # - Batch operations. If a client uses batch request and batch response, the
         #     `Status` message should be used directly inside batch response, one for
@@ -666,13 +672,13 @@
         # @OutputOnly
     "status": "A String", # Status of the build.
         # @OutputOnly
-    "timeout": "A String", # Amount of time that this build should be allowed to run, to second
-        # granularity. If this amount of time elapses, work on the build will cease
-        # and the build status will be TIMEOUT.
-        #
-        # Default time is ten minutes.
     "startTime": "A String", # Time at which execution of the build was started.
         # @OutputOnly
+    "statusDetail": "A String", # Customer-readable message about the current status.
+        # @OutputOnly
+    "tags": [ # Tags for annotation of a Build. These are not docker tags.
+      "A String",
+    ],
     "projectId": "A String", # ID of the project.
         # @OutputOnly.
     "id": "A String", # Unique identifier of the build.
@@ -690,16 +696,25 @@
         "A String",
       ],
     },
-    "statusDetail": "A String", # Customer-readable message about the current status.
-        # @OutputOnly
-    "options": { # Optional arguments to enable specific features of builds. # Special options for this build.
-      "requestedVerifyOption": "A String", # Requested verifiability options.
-      "sourceProvenanceHash": [ # Requested hash for SourceProvenance.
-        "A String",
-      ],
+    "timeout": "A String", # Amount of time that this build should be allowed to run, to second
+        # granularity. If this amount of time elapses, work on the build will cease
+        # and the build status will be TIMEOUT.
+        #
+        # Default time is ten minutes.
+    "substitutions": { # Substitutions data for Build resource.
+      "a_key": "A String",
     },
     "source": { # Source describes the location of the source in a supported storage # Describes where to find the source files to build.
         # service.
+      "repoSource": { # RepoSource describes the location of the source in a Google Cloud Source # If provided, get source from this location in a Cloud Repo.
+          # Repository.
+        "projectId": "A String", # ID of the project that owns the repo. If omitted, the project ID requesting
+            # the build is assumed.
+        "branchName": "A String", # Name of the branch to build.
+        "commitSha": "A String", # Explicit commit SHA to build.
+        "tagName": "A String", # Name of the tag to build.
+        "repoName": "A String", # Name of the repo. If omitted, the name "default" is assumed.
+      },
       "storageSource": { # StorageSource describes the location of the source in an archive file in # If provided, get the source from this location in in Google Cloud
           # Storage.
           # Google Cloud Storage.
@@ -713,19 +728,16 @@
             # [Bucket Name
             # Requirements](https://cloud.google.com/storage/docs/bucket-naming#requirements)).
       },
-      "repoSource": { # RepoSource describes the location of the source in a Google Cloud Source # If provided, get source from this location in a Cloud Repo.
-          # Repository.
-        "projectId": "A String", # ID of the project that owns the repo. If omitted, the project ID requesting
-            # the build is assumed.
-        "branchName": "A String", # Name of the branch to build.
-        "commitSha": "A String", # Explicit commit SHA to build.
-        "tagName": "A String", # Name of the tag to build.
-        "repoName": "A String", # Name of the repo. If omitted, the name "default" is assumed.
-      },
     },
     "buildTriggerId": "A String", # The ID of the BuildTrigger that triggered this build, if it was
         # triggered automatically.
         # @OutputOnly
+    "options": { # Optional arguments to enable specific features of builds. # Special options for this build.
+      "requestedVerifyOption": "A String", # Requested verifiability options.
+      "sourceProvenanceHash": [ # Requested hash for SourceProvenance.
+        "A String",
+      ],
+    },
     "steps": [ # Describes the operations to be performed on the workspace.
       { # BuildStep describes a step to perform in the build pipeline.
         "waitFor": [ # The ID(s) of the step(s) that this build step depends on.
@@ -835,9 +847,6 @@
         # If any of the images fail to be pushed, the build is marked FAILURE.
       "A String",
     ],
-    "substitutions": { # Substitutions data for Build resource.
-      "a_key": "A String",
-    },
     "createTime": "A String", # Time at which the request to create the build was received.
         # @OutputOnly
     "logUrl": "A String", # URL to logs for this build in Google Cloud Logging.
@@ -891,13 +900,13 @@
             # @OutputOnly
         "status": "A String", # Status of the build.
             # @OutputOnly
-        "timeout": "A String", # Amount of time that this build should be allowed to run, to second
-            # granularity. If this amount of time elapses, work on the build will cease
-            # and the build status will be TIMEOUT.
-            #
-            # Default time is ten minutes.
         "startTime": "A String", # Time at which execution of the build was started.
             # @OutputOnly
+        "statusDetail": "A String", # Customer-readable message about the current status.
+            # @OutputOnly
+        "tags": [ # Tags for annotation of a Build. These are not docker tags.
+          "A String",
+        ],
         "projectId": "A String", # ID of the project.
             # @OutputOnly.
         "id": "A String", # Unique identifier of the build.
@@ -915,16 +924,25 @@
             "A String",
           ],
         },
-        "statusDetail": "A String", # Customer-readable message about the current status.
-            # @OutputOnly
-        "options": { # Optional arguments to enable specific features of builds. # Special options for this build.
-          "requestedVerifyOption": "A String", # Requested verifiability options.
-          "sourceProvenanceHash": [ # Requested hash for SourceProvenance.
-            "A String",
-          ],
+        "timeout": "A String", # Amount of time that this build should be allowed to run, to second
+            # granularity. If this amount of time elapses, work on the build will cease
+            # and the build status will be TIMEOUT.
+            #
+            # Default time is ten minutes.
+        "substitutions": { # Substitutions data for Build resource.
+          "a_key": "A String",
         },
         "source": { # Source describes the location of the source in a supported storage # Describes where to find the source files to build.
             # service.
+          "repoSource": { # RepoSource describes the location of the source in a Google Cloud Source # If provided, get source from this location in a Cloud Repo.
+              # Repository.
+            "projectId": "A String", # ID of the project that owns the repo. If omitted, the project ID requesting
+                # the build is assumed.
+            "branchName": "A String", # Name of the branch to build.
+            "commitSha": "A String", # Explicit commit SHA to build.
+            "tagName": "A String", # Name of the tag to build.
+            "repoName": "A String", # Name of the repo. If omitted, the name "default" is assumed.
+          },
           "storageSource": { # StorageSource describes the location of the source in an archive file in # If provided, get the source from this location in in Google Cloud
               # Storage.
               # Google Cloud Storage.
@@ -938,19 +956,16 @@
                 # [Bucket Name
                 # Requirements](https://cloud.google.com/storage/docs/bucket-naming#requirements)).
           },
-          "repoSource": { # RepoSource describes the location of the source in a Google Cloud Source # If provided, get source from this location in a Cloud Repo.
-              # Repository.
-            "projectId": "A String", # ID of the project that owns the repo. If omitted, the project ID requesting
-                # the build is assumed.
-            "branchName": "A String", # Name of the branch to build.
-            "commitSha": "A String", # Explicit commit SHA to build.
-            "tagName": "A String", # Name of the tag to build.
-            "repoName": "A String", # Name of the repo. If omitted, the name "default" is assumed.
-          },
         },
         "buildTriggerId": "A String", # The ID of the BuildTrigger that triggered this build, if it was
             # triggered automatically.
             # @OutputOnly
+        "options": { # Optional arguments to enable specific features of builds. # Special options for this build.
+          "requestedVerifyOption": "A String", # Requested verifiability options.
+          "sourceProvenanceHash": [ # Requested hash for SourceProvenance.
+            "A String",
+          ],
+        },
         "steps": [ # Describes the operations to be performed on the workspace.
           { # BuildStep describes a step to perform in the build pipeline.
             "waitFor": [ # The ID(s) of the step(s) that this build step depends on.
@@ -1060,9 +1075,6 @@
             # If any of the images fail to be pushed, the build is marked FAILURE.
           "A String",
         ],
-        "substitutions": { # Substitutions data for Build resource.
-          "a_key": "A String",
-        },
         "createTime": "A String", # Time at which the request to create the build was received.
             # @OutputOnly
         "logUrl": "A String", # URL to logs for this build in Google Cloud Logging.