Show tags data on the tooltip in Revision Slider
Approach followed:
- Include tags as an additional parameter in rvprop field to fetch revision tags
- Use API Tags to fetch available change tags for a wiki along with their display names
- At the time of fetching revision data rebuild the revision list with tags containing display names
- Display tags one in each line on the tooltip
Bug: T180429
Change-Id: Ieba8b79ed408ff50b3f7d4bcfd7b2fa8cca83278