8452a7f2f6
Previously, ActionBarView only updated the contentDescription for the navigate up/home affordance when it is enabled or disabled. This causes that description to be rebuilt and applied whenever the title or subtitle of the view is changed. This also inadvertantly removes whitespace in ActionBarView. Bug: 8757286 Change-Id: I1ea02cad20e0d5c0c57d071727cc647c4dd52d44