82327 update the DragStartBehavior documetations (framework, f: material design, cla: yes, f: cupertino, waiting for tree to go green)

82328 use throwsXxx instead of throwsA(isA()) (a: tests, tool, framework, f: material design, cla: yes, f: cupertino, waiting for tree to go green)

82340 change the elevation of dropdown from int to double (framework, f: material design, cla: yes)

82344 update the backwardsCompatibility to docs (framework, f: material design, cla: yes, waiting for tree to go green)

82348 Remove redundant MediaQueryDatas in tests (a: tests, team, framework, f: material design, cla: yes, waiting for tree to go green, tech-debt)