Implement Android adaptive launcher icon

[peachbits]

CHANGELOG

Does this branch warrant an entry to the CHANGELOG?

• Yes
• No

Dependencies

none

Requirements

If you have made any visual changes to the GUI. Make sure you have:

• Tested on iOS device
• Tested on Android device
• Tested on small-screen device (iPod Touch)
• Tested on large-screen device (tablet)

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Note

Low Risk
Low risk, resource-only changes that affect Android launcher icon rendering on API 26+ with no runtime logic changes.

Overview
Adds Android adaptive launcher icon support for API 26+ by introducing mipmap-anydpi-v26 ic_launcher/ic_launcher_round definitions with a new inset foreground (drawable/ic_launcher_foreground_inset.xml) and a dedicated ic_launcher_background color.

^{Reviewed by Cursor Bugbot for commit 9c8cf88. Bugbot is set up for automated code reviews on this repo. Configure here.}

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