CardHeadline:Mobile Size

Build 9825 on ab/headline-size-refactor-2
320px
Reviewing disabled
The baseline is shorter than the new snapshot (320x1260 to 320x3710).
Baseline History
Build 982525f5f8c
Current build. There are unaccepted changes, so build 8890 is still the baseline.
Build 8890a8022d1 current baseline
Accepted by Anna Beddow.
Build 8827a89b130
Accepted by Max Duval.
Build 879827ea2c8
Accepted by Max Duval.
Build 74806cf512a
Auto-accepted
Commenting is disabled because there's a newer build on this branch