88539 Add richMessage parameter to the Tooltip widget. (a: tests, framework, f: material design, cla: yes)

88576 fixes DropdownButton ignoring itemHeight in popup menu (#88574) (framework, f: material design, cla: yes, waiting for tree to go green)

88878 Fix index of TabBarView when decrementing (framework, f: material design, cla: yes)

88893 Updated some skip test comments that were missed in the audit. (team, framework, f: material design, cla: yes, tech-debt, skip-test)

88984 [Material] Allow for custom alignment for Dialogs (framework, f: material design, cla: yes)

89021 Add smoke tests for all the examples, fix 17 broken examples. (team, tool, framework, f: material design, cla: yes, f: cupertino, d: examples)