The ornamental design for an automobileheadlight, as shown and described.
FIG. 1 is a perspective view of an automobile headlight;
FIG. 2 is a front view thereof; and,
FIG. 3 is a side view thereof.
The broken lines illustrate portions of the automobile headlight in which the design is embodied and form no part of the claimed design. The drawings and descriptions represent the left side embodiment. The claim is also for a mirror image right side embodiment.