Show all sender images in conversation list.

Previously, we were skipping sender images for
super-collapsed blocks. Now they are getting added
to the cache before we go get the sender images.

Change-Id: I201f79ba9869cc816de54c8d8e77cba4c53f7953
(cherry picked from commit 26f01270ebc3fd1e84d6b25c92729331b0246476)
1 file changed