The ornamental design for an automobileheadlight, as shown and described.
FIG. 1 is a perspective view of an automobile headlight showing my new design;
FIG. 2 is a top view thereof;
FIG. 3 is a front view thereof; and,
FIG. 4 is a left side view thereof.
The broken lines are included to show environmental structure and form no part of the claimed design.
FIGS. 1-4 show a left side embodiment. The claim is also directed to a second right side embodiment of an automobile headlight where FIGS. 1-4 are a mirror image of the left side shown.