base

Don't try and resolve WRAP_CONTENT too early.

At the point of showDropDownPosition measure
may have not yet been called and we can't try
and resolve WRAP_CONTENT. ViewRoot will do it for us
and set requestedWidth/Height at an appropriate point.

Bug: 29496188
Change-Id: I99f26612bec800f3e321495b3df3e37b5ffb3152