50381 Roll engine 580503c35926..6158f03ef5fa (6 commits) (cla: yes, waiting for tree to go green)

50385 change capability for test tiles_scroll_perf_iphonexs__timeline_summary (cla: yes, team)

50388 more gradle upgrades (cla: yes, t: gradle, team, tool, waiting for tree to go green)

50392 Make FocusManager a ChangeNotifier that notifies when the primaryFocus changes (cla: yes, framework)

50394 [framework] minimize effect of stateless/stateful swap (cla: yes, framework, waiting for tree to go green)

50399 Roll engine 6158f03ef5fa..e4f46f32f1fd (3 commits) (cla: yes, waiting for tree to go green)