62435 Reland “Export Material curves in the Material lib” (cla: yes, f: material design, framework, waiting for tree to go green)

62473 Fix ‘unresolved doc reference’ for material A-D (cla: yes, f: cupertino, f: material design, framework, waiting for tree to go green)

62509 Fix more unresolved doc references in material (cla: yes, f: material design, framework, waiting for tree to go green)

62520 Fix even more unresolved doc references in material (cla: yes, d: api docs, documentation, f: material design, framework, team, waiting for tree to go green)

62582 Random unresolved doc reference fixes I missed before (a: internationalization, a: tests, cla: yes, f: material design, framework, waiting for tree to go green)