fix: improve version normalization in build script

[hakansa]

No description provided.

[Copilot]

Pull Request Overview

This PR improves version normalization in the Android build script by adding proper handling for semantic versions with leading 'v' prefixes and enhancing script robustness.

• Adds a normalize_version() function to strip leading 'v' from semantic versions
• Improves variable handling with safer parameter expansion and local variable declarations
• Enhances script error handling with stricter bash options

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