Update CTS for more specific exceptions thrown from ViewGroup#addView

ViewGroup#addView now throws IllegalArgumentException early if you try
to add a null as a child. Some previous tests were checking for the
incidental NullPointerException in these cases; update those tests.

Bug 18665084

Change-Id: Icaf250930a1a6ed9ce32fb86fab6e3bcf0ce091a
1 file changed