Refinement for onVisibilityAggregated

Change the args for onVisibilityAggregated to a single boolean for
visibility to the user. Also fix an ordering bug that could trigger a
view background drawable call to setVisible before the view would
respond true to verifyDrawable, which caused issues with some apps.

Bug 27461617
Bug 27689884

Change-Id: I58bdc7c4364264f7fa0863689ba2b76df904ef81