52349 Add sample for InheritedNotifier, convert two others to DartPad samples. (cla: yes, f: material design, framework, team)

52351 [flutter_tools] handle null value from SDK version checks (cla: yes, tool)

52352 Revert “Add missing features to DefaultTextStyleTransition and AnimatedDefaultTextStyle” (cla: yes, f: material design, framework, waiting for tree to go green)

52353 [flutter_tools] Make AndroidConsole check for next line (cla: yes, tool, waiting for tree to go green)

52354 [flutter_tools] Fallback discovery: Don’t crash when an Isolate has no root library (cla: yes, tool, waiting for tree to go green)

52355 [flutter_tools] Throw a tool exit when samples fetch fails (cla: yes, tool, waiting for tree to go green)