Chong Zhang 6c71c0b86b Never "save" if the surface control is null.
This may or may not happen, but putting in some preventative measure and
extra logging to help debug crashes related to null mSurfaceController.

bug: 27533667
Change-Id: I010147da819402c48efd26a7cc631776052a702d
2016-04-01 15:23:10 -07:00
..