Update to June 2022 release of boringssl.

[jonsimantov]

In this release, the "src" directory is removed from boringssl, so there are some CMake and patch changes necessary for compatibility.

Description

Provide details of the change, and generalize the change in the PR title above.

There are a number of issues with newer Xcode and other compilers that are fixed in newer boringssl releases. This updates to the last 2022 release (from a 2019 version used before).

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Testing

Describe how you've tested these changes. Link any manually triggered Integration tests or CPP binary SDK Packaging Github Action workflows, if applicable.

Running expanded integration tests in this PR. Also running packaging workflow and tests

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Type of Change

Place an x the applicable box:

• Bug fix. Add the issue # below if applicable.
• New feature. A non-breaking change which adds functionality.
• Other, such as a build process or documentation change.

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Notes

• Bug fixes and feature changes require an update to the Release Notes section of release_build_files/readme.md.
• Read the contribution guidelines CONTRIBUTING.md.
• Changes to the public API require an internal API review. If you'd like to help us make Firebase APIs better, please propose your change in a feature request so that we can discuss it together.

[github-actions]

❌  Integration test FAILED

Requested by @jonsimantov on commit 0859b17
Last updated: Wed Jun 28 15:10 PDT 2023
View integration test log & download artifacts

Failures	Configs
missing_log	[TEST] [ERROR] [iOS] [macos] [1/2 ios_device: simulator_target] [TEST] [ERROR] [tvOS] [macos] [tvos_simulator]
gma	[TEST] [FLAKINESS] [iOS] [macos] [1/2 ios_device: ios_target] (1 failed tests)   CRASH/TIMEOUT

Add flaky tests to go/fpl-cpp-flake-tracker