Tabs:Scrollable Tabs With Picker

Build 2957 on feat-tabs-styling
Reviewing disabled
Baseline History
Build 29577ae22a1
Current build. There are unaccepted changes, so build 2909 is still the baseline.
Build 2909188d707 current baseline
Accepted by Andrey Yamanov.
Build 2905a151ad2
Accepted by Andrey Yamanov.
Build 2898108430d
Auto-accepted
Commenting is disabled because there's a newer build on this branch