match live update codelab changes and update to use chronometer for c…

[alabiaga]

…ountdown

Change-Id: Id4766a84292834a9a4ebe5364e804e356397ffa5

[gemini-code-assist]

Summary of Changes

Hello @alabiaga, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request refines the SnackbarNotificationManager to improve the user experience for live order updates. It introduces dynamic countdown timers for delivery and arrival notifications, leveraging the Chronometer feature, and adds brief, critical status texts to various notification stages. These changes align the sample application with the latest codelab guidelines, making the notification system more informative and engaging.

Highlights

• Chronometer Countdown: Implemented chronometer-based countdowns for "Food Delivery" and "Food Arriving" notification states, providing users with real-time time remaining.
• Short Critical Text: Added "setShortCriticalText" to various notification states ("Placing", "Prepping", "Arrived") to provide concise, critical information at a glance.
• Codelab Synchronization: Updated the notification logic to match recent changes in the live update codelab, ensuring consistency and best practices.

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[gemini-code-assist]

Code Review

This pull request updates the live update notification sample to use a chronometer for countdowns and adds short critical text to notifications. My review focuses on improving code clarity, correctness, and maintainability. I've identified several hardcoded strings that should be moved to resources for localization. I also found discrepancies and confusing calculations in the chronometer setup, where the code does not match the comments, and I've suggested using TimeUnit for better readability. Lastly, there's a minor formatting issue to address.