[native] Use outline variant of emote-smile in Edit*Avatar for consistency
Summary:
Use "outline" variant of emote-smile in Edit*Avatar action sheet for visual consistency w/ image icon. This icon only appears on Android.
This is a subjective change, will just abandon if there's disagreement.
Depends on D7498
Test Plan:
Before:
After:
Reviewers: ashoat, ginsu
Reviewed By: ashoat, ginsu
Subscribers: tomek
Differential Revision: https://phab.comm.dev/D7499