28004 Paint backgroundColor in CircularProgressIndicator (cla: yes, f: material design, framework)

28013 [Material] Unit test for skipping Slider tick mark due to overdensity (cla: yes, f: material design, framework)

28017 Add more docs to BackdropFilter (cla: yes, d: api docs, framework)

28097 Allow for gradle downloading missing SDK assets (cla: yes, t: gradle, tool)

28125 [Gallery] Fortnightly demo moved from flutter/samples. (cla: yes, team, team: gallery)

28152 Improve hot reload performance (cla: yes, t: hot reload, tool)

28157 Add await to future to please analyzer (cla: yes, framework, team)