[clipboard][Android] Fixed crash in clipboard listener on Android SDK <26

[frw]

Why

On devices with Android versions below 8 (SDK 26), the changes in #19723 causes the app to crash whenever a string is copied due to using the getTimestamp() function that is only available on SDK 26 and above: https://developer.android.com/reference/android/content/ClipDescription#getTimestamp()

How

Add a check to ensure Build.VERSION.SDK_INT >= Build.VERSION_CODES.O before calling clip.timestamp.

Test Plan

Ran yarn android in apps/bare-expo

Checklist

• Documentation is up to date to reflect these changes (eg: https://docs.expo.dev and README.md).
• Conforms with the Documentation Writing Style Guide
• This diff will work correctly for expo prebuild & EAS Build (eg: updated a module plugin).

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[frw]

Hey @lukmccall @tsapeta @barthap,

Any chance you could take a look at this? I can definitely reproduce this issue, and it is affecting a small portion of users who are still on old Android versions.