The ornamental design of an automobileheadlamp, as shown and described.
FIG. 1 is a top plan view of the automobile headlamp showing our new design;
FIG. 2 is a bottom plan view thereof;
FIG. 3 is a front elevation view thereof;
FIG. 4 is a rear elevation view thereof;
FIG. 5 is a left side elevation view thereof; and,
FIG. 6 is a right side elevation view thereof.
The broken lines immediately adjacent the shaded areas represent the bounds of the claimed design while other broken lines are directed to environment and/or are for illustrative purposes only. The broken lines form no part of the claimed design.