tvOS build capability added to build_zips

[DellaBitta]

Description

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

Breaking ground on tvOS support.
This PR updates the cmake build system and the build_zips.py script to generate fat libs for tvOS simulators and devices.

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Testing

• Local builds: python scripts/build_scripts/build_zips.py --platform=tvos
• Confirmed multi arch support by executing lipo -info on the resulting static libraries.
• Confirmed the existance of symbols by running nm -S on the resulting libraries.

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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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[github-actions]

❌  Integration test FAILED

Requested by @firebase-workflow-trigger[bot] on commit 02c5a73
Last updated: Tue Sep 20 20:41 PDT 2022
View integration test log & download artifacts

Failures	Configs
analytics	[TEST] [ERROR] [2019] [macos] [1/6 Platform(s): iOS] [1/3 Test Device(s): simulator_target]
database	[TEST] [ERROR] [2019] [macos] [1/6 Platform(s): iOS] [1/3 Test Device(s): ios_target]
firestore	[TEST] [FAILURE] [2019] [macos] [1/6 Platform(s): windows]
functions	[TEST] [ERROR] [2019] [macos] [1/6 Platform(s): iOS] [1/3 Test Device(s): simulator_target]
installations	[TEST] [ERROR] [2019] [macos] [1/6 Platform(s): iOS] [2/3 Test Device(s): simulator_target ios_target]
messaging	[TEST] [ERROR] [2019] [macos] [1/6 Platform(s): iOS] [1/3 Test Device(s): ios_target] [TEST] [FAILURE] [2019] [macos] [1/6 Platform(s): iOS] [1/3 Test Device(s): simulator_target]
storage	[TEST] [ERROR] [2019] [macos] [1/6 Platform(s): iOS] [1/3 Test Device(s): ios_target]