Revert "Don't relayout reader views with delay"

This reverts commit e85ee60953b66d8d0d2b9733734b584d44f7277a.
Fixes a divide by zero error when laying out videos in the reader detail.
Merge pull request #866 from wordpress-mobile/release/3.8.6-fix-video-crash

Release/3.8.6 fix video crash