17349 Roll fuchsia/sdk/core/mac-amd64 from 6zho5… to d4Bft… (cla: yes, waiting for tree to go green)

17352 Do not drop toString for enums (cla: yes)

17355 Add name to the XCTAttachments in the scenario test app (cla: yes)

17356 Locale: empty string equates to null (cla: yes)

17361 Disable OnServiceProtocolGetSkSLsWorks in Fuchsia (affects: tests, cla: yes, waiting for tree to go green)

17364 [web] changing the integration tests to show errors (cla: yes)

17366 Fix problem that using multi-engines, sometimes OpenGL would crash be… (cla: yes, waiting for tree to go green)