512 x 512 App Icon Quality Improvement

[brunobowden]

Summary

The current version of the 512 x 512 app icon imagery looks like a resampled image and poor quality.
https://github.com/WorldHealthOrganization/app/blob/f7cb2b3405681500cf791746a1b139e46e01f763/client/android/app/src/main/ic_launcher-playstore.png

This might be a better high resolution image to base it on:
https://www.who.int/images/default-source/infographics/who-emblem.png?sfvrsn=877bb56a_2

Screenshots

For close up on the image:

Checklist:

• Searched the existing issues to ensure you are not creating a duplicate.
• Followed the Contributor Guidelines.

[theswerd]

@brunobowden @Mohit020888 I think I'm good to close

[brunobowden]

It should've closed it automatically. Closing now anyway....