fix: Add feature flag proto to BUILD file (#1726)

* feat: publish RateLimitInfo and FeatureFlag protos

PiperOrigin-RevId: 527878708

Source-Link: googleapis/googleapis@f129f48

Source-Link: https://github.com/googleapis/googleapis-gen/commit/e02c87d9d0c9a77f2b17268a86f462b5a1d66bbd
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* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

* fix: Add feature flag proto to BUILD file

PiperOrigin-RevId: 528468347

Source-Link: googleapis/googleapis@38247e8

Source-Link: https://github.com/googleapis/googleapis-gen/commit/17e62a1ab5f22d7d537675a659157207e406e63d
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* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

---------

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

Author: gcf-owl-bot[bot]

proto-google-cloud-bigtable-v2/src/main/java/com/google/bigtable/v2/BigtableProto.java

@@ -0,0 +1,39 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/bigtable/v2/feature_flags.proto
+
+package com.google.bigtable.v2;
+
+public interface FeatureFlagsOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.bigtable.v2.FeatureFlags)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Notify the server that the client enables batch write flow control by
+   * requesting RateLimitInfo from MutateRowsResponse.
+   * </pre>
+   *
+   * <code>bool mutate_rows_rate_limit = 3;</code>
+   *
+   * @return The mutateRowsRateLimit.
+   */
+  boolean getMutateRowsRateLimit();
+}

proto-google-cloud-bigtable-v2/src/main/java/com/google/bigtable/v2/FeatureFlags.java

@@ -0,0 +1,66 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/bigtable/v2/feature_flags.proto
+
+package com.google.bigtable.v2;
+
+public final class FeatureFlagsProto {
+  private FeatureFlagsProto() {}
+
+  public static void registerAllExtensions(com.google.protobuf.ExtensionRegistryLite registry) {}
+
+  public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry registry) {
+    registerAllExtensions((com.google.protobuf.ExtensionRegistryLite) registry);
+  }
+
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_bigtable_v2_FeatureFlags_descriptor;
+  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_bigtable_v2_FeatureFlags_fieldAccessorTable;
+
+  public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
+    return descriptor;
+  }
+
+  private static com.google.protobuf.Descriptors.FileDescriptor descriptor;
+
+  static {
+    java.lang.String[] descriptorData = {
+      "\n&google/bigtable/v2/feature_flags.proto"
+          + "\022\022google.bigtable.v2\".\n\014FeatureFlags\022\036\n\026"
+          + "mutate_rows_rate_limit\030\003 \001(\010B\275\001\n\026com.goo"
+          + "gle.bigtable.v2B\021FeatureFlagsProtoP\001Z:go"
+          + "ogle.golang.org/genproto/googleapis/bigt"
+          + "able/v2;bigtable\252\002\030Google.Cloud.Bigtable"
+          + ".V2\312\002\030Google\\Cloud\\Bigtable\\V2\352\002\033Google:"
+          + ":Cloud::Bigtable::V2b\006proto3"
+    };
+    descriptor =
+        com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
+            descriptorData, new com.google.protobuf.Descriptors.FileDescriptor[] {});
+    internal_static_google_bigtable_v2_FeatureFlags_descriptor =
+        getDescriptor().getMessageTypes().get(0);
+    internal_static_google_bigtable_v2_FeatureFlags_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+            internal_static_google_bigtable_v2_FeatureFlags_descriptor,
+            new java.lang.String[] {
+              "MutateRowsRateLimit",
+            });
+  }
+
+  // @@protoc_insertion_point(outer_class_scope)
+}