[Battery usage U] [UI] Show screen time in the battery usage app list items

https://drive.google.com/file/d/1N2yrra6cga6CRIXzxTGhctcxwN47lE89/view?resourcekey=0-qlw1a78Ph-gSfXFAHKoumQ
https://drive.google.com/file/d/1joSI3YL8dn0rRW1Ywyte7MUy_CTDFS2p/view?resourcekey=0-VsgaqSi2YUfn6ImZEOBH-g

Bug: 258120710
Test: manual
Change-Id: Id22d2490d0bffeb8b7d2e0941bcdb4e3d352e966