Assure width and height are always initialized

In case a user fails to call setDimensions() prior to several
other methods on this class, we at least want to have consistent
behavior that's easy to debug.

Test: TreeHugger
BUG: 199413815
Change-Id: Iee7681ed855cf6ebf9e436e0d2864e0fc9cb4025
1 file changed