v8: refactor to handle `if` to `switch` for `ArrayBufferViewType`
When there are many if statements, it is common to use switches for readability or performance. Unless there is a specific reason, i think would be better to change it.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
When there are many if statements, it is common to use switches for readability or performance. Unless there is a specific reason, i think would be better to change it.