FIG. 1 is a front view of an animated graphical user interface for a display screen or portion thereof showing my new design;

FIG. 2 is a front view of the second image thereof;

FIG. 3 is a front view of the third image thereof;

FIG. 4 is a front view of the fourth image thereof;

FIG. 5 is a front view of the fifth image thereof; and,

FIG. 6 is a front view of the sixth image thereof.

The appearance of the image transitions sequentially between the images shown in FIGS. 1-6. The process or period in which an image transitions to another forms no part of the claimed design.

The broken line showing of a display screen or portion thereof and graphical elements within the display screen are not part of the claimed design.