I claim the ornamental design for a beverage container holder accessory for pool noodle, as shown and described.
FIG. 1 is a top perspective view of a beverage container holder accessory for pool noodle showing my new design;
FIG. 2 is a left side elevation view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a front elevation view thereof;
FIG. 5 is a rear elevation view thereof;
FIG. 6 is a right side elevation view thereof;
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is a top perspective view thereof, showing the beverage container holder accessory for pool noodle mounted to the end of a pool noodle. The broken lines in this figure showing the end of a pool noodle are environmental structure and form no part of the claimed design.