The ornamental design of an accessorytray, as shown and described.
FIG. 1 is a top perspective view of an accessory tray of the present invention;
FIG. 2 is a right side view thereof;
FIG. 3 is a left side view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is front elevation view thereof;
FIG. 7 is rear elevation view thereof;
FIG. 8 is a bottom perspective view thereof; and,
FIG. 9 is an environmental perspective view thereof, illustrating the tray as connected to a ladder; the dotted-lined ladder and dotted-lined rounded locking assembly being for illustrative purposes only and forming no part of the claimed design.