Update ndk version to r23c

[a-maurice]

Description

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

Update the ndk version to r23c, in order to support being able to set the page size, needed for shared Android libraries on Android 15.

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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.

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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 with FLAKINESS (succeeded after retry)

Requested by @a-maurice on commit 8bd9fda
Last updated: Tue Feb 11 19:40 PST 2025
View integration test log & download artifacts

Failures	Configs
firestore	[TEST] [FLAKINESS] [Android] [1/3 os: macos] [1/2 android_device: emulator_ftl_target] (1 failed tests)   CRASH/TIMEOUT
remote_config	[TEST] [FLAKINESS] [Android] [1/3 os: ubuntu] [1/2 android_device: emulator_ftl_target] (1 failed tests)   FirebaseRemoteConfigTest.TestAddOnConfigUpdateListener

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