Update ButcherAndroidListener.java

[Kub94ekCZ]

Fixed bug with emerald drop from vindicators when killed by Butcher Android

Description

I'm making this pull request to fix the bug with vindicators don't drop emeralds when killed by Butcher Android

Proposed changes

I just added code to fix the bug

Related Issues (if applicable)

Resolves #3849

Checklist

• I have fully tested the proposed changes and promise that they will not break everything into chaos.
• I have also tested the proposed changes in combination with various popular addons and can confirm my changes do not break them.
• I have made sure that the proposed changes do not break compatibility across the supported Minecraft versions (1.16.* - 1.20.*).
• I followed the existing code standards and didn't mess up the formatting.
• I did my best to add documentation to any public classes or methods I added.
• I have added Nonnull and Nullable annotations to my methods to indicate their behaviour for null values
• I added sufficient Unit Tests to cover my code.

[github-actions]

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Branch naming convention	Label
feature/**	🎈 Feature
fix/**	✨ Fix
chore/**	🧹 Chores
api/**	🔧 API
performance/**	💡 Performance Optimization
compatibility/**	🤝 Compatibility

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[JustAHuman-xD]

We need to change this system but that's out of scope, LGTM

[github-actions]

Slimefun preview build

A Slimefun preview build is available for testing!
Commit: 9c594474

https://preview-builds.walshy.dev/download/Slimefun/4007/9c594474

Note: This is not a supported build and is only here for the purposes of testing.
Do not run this on a live server and do not report bugs anywhere but this PR!

[JustAHuman-xD]

LGTM (we ignore i missed that previously)