CameraITS: Correct an out-of-date doc comment in its.image.

The comment (which is visible as docs when running pydoc) was
stale and no longer correct.

Bug: 18401417

Change-Id: Ie47aaef3a09d73be9296ddbce62870f4bbd65246
(cherry picked from commit bb1456a1112866d07f0e5a3fb707baa3f3195969)
1 file changed