Activity Action: Show add account screen for creating a new account.
In some cases, a matching Activity may not exist, so ensure you safeguard against this.
The account types available to add may be restricted by adding an Settings.ExtraAuthorities extra to the Intent with one or more syncable content provider's authorities. Only account types which can sync with that content provider will be offered to the user.
Account types can also be filtered by adding an Settings.ExtraAccountTypes extra to the Intent with one or more account types.
Input: Nothing.
Output: Nothing.