Implemented new Focus states for notifications row

UI Specs - go/notification-hover-states
Screenshots comparison - https://drive.google.com/drive/folders/194BxbegKSepTlCeHN0lzrefqaIbGC5ae?usp=sharing

Fixes: 329250144
Flag: None
Test: Manual test in test guide go/sysui-pkt-manual-testing
Change-Id: I1e76593495e0499d914691155917f80b2050560e