Add subsystem benchmarks for availability-distribution and biftield-distribution (availability write) (#2970)

Introduce a new test objective : `DataAvailabilityWrite`.

The new benchmark measures the network and cpu usage of
`availability-distribution`, `biftield-distribution` and
`availability-store` subsystems from the perspective of a validator node
during the process when candidates are made available.

Additionally I refactored the networking emulation to support bandwidth
acounting and limits of incoming and outgoing requests.

Screenshot of succesful run


<img width="1293" alt="Screenshot 2024-01-17 at 19 17 44"
src="https://github.com/paritytech/polkadot-sdk/assets/54316454/fde11280-e25b-4dc3-9dc9-d4b9752f9b7a">

---------

Signed-off-by: Andrei Sandu <andrei-mihail@parity.io>

polkadot/node/subsystem-bench/src/availability/av_store_helpers.rs

@@ -0,0 +1,57 @@
+// Copyright (C) Parity Technologies (UK) Ltd.
+// This file is part of Polkadot.
+
+// Polkadot is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Polkadot is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
+
+use super::*;
+
+use polkadot_node_metrics::metrics::Metrics;
+
+use polkadot_node_core_av_store::Config;
+use polkadot_node_subsystem_util::database::Database;
+
+use polkadot_node_core_av_store::AvailabilityStoreSubsystem;
+
+mod columns {
+	pub const DATA: u32 = 0;
+	pub const META: u32 = 1;
+	pub const NUM_COLUMNS: u32 = 2;
+}
+
+const TEST_CONFIG: Config = Config { col_data: columns::DATA, col_meta: columns::META };
+
+struct DumbOracle;
+
+impl sp_consensus::SyncOracle for DumbOracle {
+	fn is_major_syncing(&self) -> bool {
+		false
+	}
+
+	fn is_offline(&self) -> bool {
+		unimplemented!("oh no!")
+	}
+}
+
+pub fn new_av_store(dependencies: &TestEnvironmentDependencies) -> AvailabilityStoreSubsystem {
+	let metrics = Metrics::try_register(&dependencies.registry).unwrap();
+
+	AvailabilityStoreSubsystem::new(test_store(), TEST_CONFIG, Box::new(DumbOracle), metrics)
+}
+
+fn test_store() -> Arc<dyn Database> {
+	let db = kvdb_memorydb::create(columns::NUM_COLUMNS);
+	let db =
+		polkadot_node_subsystem_util::database::kvdb_impl::DbAdapter::new(db, &[columns::META]);
+	Arc::new(db)
+}