[CMakeToolchain] fix adding tools.android:ndk_path with spaces in path

[kambala-decapitator]

Changelog: Bugfix: Fix adding tools.android:ndk_path with spaces in path.
Docs: Omit

Closes: #17378

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[memsharded]

Thanks for your contribution!

Test test_android_c_library is broken in CI, it seems it is testing the output literally, so it should be updated.

[kambala-decapitator]

thanks, you're absolutely right! Updated the test.