refactor hyper1 client builder to allow multiple TLS providers and add new config

[aajtodd]

Motivation and Context

Yet another follow up to: #3866

Description

• Refactor the hyper 1 implementation into multiple modules to make it (slightly) easier to navigate (separating TLS, DNS, and timeout concerns into new/separate modules)
• Refactors the hyper 1 implementation to allow for additional TLS provider implementations (e.g. s2n). Before we just exposed a CryptoMode but that is only applicable to rustls. I've swapped this for a new TlsProvider concept
• Refactored how connectors are built. Before we were taking a TLS connector and wrapping it (via Connector). But this is structurally awkward since our Connector is analogous to hyper_utils' HttpConnector (or supposed to be anyway). The updated structure forces our Connector to build the HttpConnector (which is the lowest layer/TCP connector) and then (if enabled) wrap it in TLS, and then finally wrap it with the SDK timeouts.

// build function returns a connector that looks like this as far as layering goes:
Connector<TlsProviderSelected>.build() -> SdkTimeouts(TlsConnector(HttpConnector))

• Exposed additional builder setting for TCP_NODELAY (and defaulted it to true).
• Exposed additional builder setting for binding to a specific NIC
• Fixed feature flags (powerset build was failing locally due to invalid or misconfigured feature flag application)
• Renamed TLS feature flags to be associated with the underlying TLS lib (e.g. crypto-aws-lc -> rustls-aws-lc)

NOTE: Apologies in advance, the diff didn't quite come out as I wanted. client.rs replaced hyper_1.rs (several modules of hyper_1.rs were split out into new modules). Everything in timeout.rs and dns.rs did not change.

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[github-actions]

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• AWS SDK (ignoring whitespace)
• No codegen difference in the Client Test
• No codegen difference in the Server Test
• No codegen difference in the Server Test Python
• No codegen difference in the Server Test Typescript

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[github-actions]

A new generated diff is ready to view.

• AWS SDK (ignoring whitespace)
• No codegen difference in the Client Test
• No codegen difference in the Server Test
• No codegen difference in the Server Test Python
• No codegen difference in the Server Test Typescript

A new doc preview is ready to view.

[github-actions]

A new generated diff is ready to view.

• AWS SDK (ignoring whitespace)
• No codegen difference in the Client Test
• No codegen difference in the Server Test
• No codegen difference in the Server Test Python
• No codegen difference in the Server Test Typescript

A new doc preview is ready to view.

[ysaito1001]

Nicely refactored!

[Velfi]

What is this?