AreaChart:With steps, fmt and labels

Build 355 on hotfix/sdk-scripts
1200px
Reviewing disabled
Baseline History
Build 3553571b0b
Current build. There are unaccepted changes, so build 352 is still the baseline.
Build 3525e4f34e current baseline
Accepted by Zach Stence.
Build 3385fb8ac4
Accepted by Zach Stence.
Build 308f94e6d4
Accepted by Archie Sarre Wood.
Build 294a891660
Accepted by Adam.
Commenting is disabled because there's a newer build on this branch