message: Replace the deprecated crypto::tink::util::error::DEADLINE_EXCEEDED usages with its absl version absl::StatusCode::kDeadlineExceeded.
  This CL is a part of Tink migration to using absl::Status{,Or} and absl::StatusCode.
diff: @@ -1846,7 +1846,8 @@ class DelegatingKeyTypeManager
  auto result = registry_->NewKeyData(key_template);
  if (!result.ok()) return result.status();
  // Return a string we can check for.
  - return util::Status(util::error::DEADLINE_EXCEEDED, "CreateKey worked");
  + return util::Status(absl::StatusCode::kDeadlineExceeded,
  + "CreateKey worked");
  }
  crypto::tink::util::StatusOr<EcdsaPrivateKey> DeriveKey(
  @@ -1861,7 +1862,8 @@ class DelegatingKeyTypeManager
  auto result = registry_->DeriveKey(key_template, input_stream);
  if (!result.ok()) return result.status();
  // Return a string we can check for.
  - return util::Status(util::error::DEADLINE_EXCEEDED, "DeriveKey worked");
  + return util::Status(absl::StatusCode::kDeadlineExceeded,
  + "DeriveKey worked");
  }
  crypto::tink::util::StatusOr<EcdsaPublicKey> GetPublicKey(
  @@ -1874,7 +1876,8 @@ class DelegatingKeyTypeManager
  auto result = registry_->NewKeyData(key_template);
  if (!result.ok()) return result.status();
  // Return a string we can check for.
  - return util::Status(util::error::DEADLINE_EXCEEDED, "GetPublicKey worked");
  + return util::Status(absl::StatusCode::kDeadlineExceeded,
  + "GetPublicKey worked");
  }
  private:
  @@ -1919,7 +1922,7 @@ TEST_F(RegistryImplTest, CanDelegateCreateKey) {
  "type.googleapis.com/google.crypto.tink.EcdsaPrivateKey");
  key_template.set_value(format.SerializeAsString());
  EXPECT_THAT(registry_impl.NewKeyData(key_template).status(),
  - StatusIs(util::error::DEADLINE_EXCEEDED,
  + StatusIs(absl::StatusCode::kDeadlineExceeded,
  HasSubstr("CreateKey worked")));
  }
  @@ -1947,9 +1950,9 @@ TEST_F(RegistryImplTest, CanDelegateDeriveKey) {
  key_template.set_type_url(
  "type.googleapis.com/google.crypto.tink.EcdsaPrivateKey");
  key_template.set_value(format.SerializeAsString());
  - EXPECT_THAT(
  - registry_impl.DeriveKey(key_template, nullptr).status(),
  - StatusIs(util::error::DEADLINE_EXCEEDED, HasSubstr("DeriveKey worked")));
  + EXPECT_THAT(registry_impl.DeriveKey(key_template, nullptr).status(),
  + StatusIs(absl::StatusCode::kDeadlineExceeded,
  + HasSubstr("DeriveKey worked")));
  }
  TEST_F(RegistryImplTest, CanDelegateGetPublicKey) {
  @@ -1977,7 +1980,7 @@ TEST_F(RegistryImplTest, CanDelegateGetPublicKey) {
  .GetPublicKeyData(DelegatingKeyTypeManager().get_key_type(),
  private_key.SerializeAsString())
  .status(),
  - StatusIs(util::error::DEADLINE_EXCEEDED,
  + StatusIs(absl::StatusCode::kDeadlineExceeded,
  HasSubstr("GetPublicKey worked")));
  }
  