The ornamental design for a vibratorcontroller, as shown and described.
FIG. 1 is a perspective view of the vibrator controller showing my design with the surface indicia shown in broken lines and not forming a part of the claimed design;
FIG. 2 is a front view of the vibrator controller;
FIG. 3 is an opposing rear side view of the vibrator controller;
FIG. 4 is a top view of the vibrator controller;
FIG. 5 is an opposing bottom view of the vibrator controller;
FIG. 6 is a left side view of the vibrator controller; and,
FIG. 7 is an opposing right side view of the vibrator controller.