[SB][Chips] Update font in chips to Label.Large.Emphasized.

Fixes: 393616099
Bug: 364653005
Flag: com.android.systemui.status_bar_notification_chips
Test: Trigger chip timer, chip text, and chip short time delta -> verify
all show the updated font. Verify with ChipsModernization both off and
on

Change-Id: I9b69ce8a23e953b2c696fbf66ebd7b19dbbea405