25352 Revert “Adds support for floating cursor” (a: text input, cla: yes, f: cupertino, f: material design, framework)

25380 Revert “Use stderr instead of stdout to contain errors in flutter attach test” (a: tests, cla: yes)

25381 Add cull opacity perf test to device lab (a: tests, cla: yes, framework, severe: performance)

25382 Revert “Call mark* methods before attaching child (#25239)” (cla: yes, framework, severe: crash)

25384 Adds support for floating cursor (a: text input, cla: yes, f: cupertino, f: material design, framework)

25390 Revert “drop/restore focus when app becomes invisible/visible” (a: text input, cla: yes, framework)