Closes: https://github.com/fleetdm/fleet/issues/46496 Changes: - Updated the website's custom hook to create a Google API auth client and make it available at `sails.googleAuthClient` - Updated Android proxy endpoints to use the shared Google API auth client. <!-- This is an auto-generated comment: release notes by coderabbit.ai --> ## Summary by CodeRabbit * **Refactor** * Optimized Google API authentication handling for Android management features to improve system performance and reliability. <!-- end of auto-generated comment: release notes by coderabbit.ai -->