The ornamental design for an electronicdevice mount, as shown and described.
FIG. 1 is an isometric view of an electronic device mount incorporating my new design, viewed from above, in front of, and from the right side of the mount;
FIG. 2 is a front end elevation view thereof;
FIG. 3 is a top plan view thereof, the bottom plan view being a mirror image of the top plan view;
FIG. 4 is right side elevation view thereof, the left side elevation view being a mirror image of the right side elevation view; and,
FIG. 5 is rear end elevation view thereof.
The broken lines in the drawings show environmental structures and form no part of the claimed design.