Don't run Smart Select Animation on multiple lines

This behavior is currently broken due to the format of the rectangles
returned by Layout::getSelection. Let's disable the animation in
multiline scenarios until this behavior is fixed.

Test: manual - enable Smart Select flag and test over single and
multiple lines
Change-Id: Id0c49a0d69a8f2bdb449cfc8f0ed43e529f41cc1
1 file changed