The ornamental design for a videodoorbell mount, as shown and described.
FIG. 1 is a top, front side perspective view of a mount for a video doorbell mount showing our new design;
FIG. 2 is a top, front side perspective view thereof;
FIG. 3 is a top elevation view thereof;
FIG. 4 is a bottom elevation view thereof;
FIG. 5 is a front plan view thereof;
FIG. 6 is a rear plan view thereof;
FIG. 7 is a left side elevation view thereof; and,
FIG. 8 is a right side elevation view thereof.
The broken line showing of a doorbell in FIG. 1 depicts unclaimed environmental subject matter. All other broken line showings are included for the purpose of illustrating portions of the video doorbell mount and forms no part of the claimed design.