Split out ve.{dm,ce}.TextStyleAnnotation into parts, add other annotations

No inspectors/actions/buttons for now.

New: <abbr>, <samp>, <time>, <dfn>, <mark>, <q>, <kbd>, <var>.

Bug: 52664
Bug: 64376
Change-Id: If717ef98b9c9dd9d2f07e3f3119ffa4757055df2
Merge "Split out ve.{dm,ce}.TextStyleAnnotation into parts, add other annotations"