Remove error when defStyleAttr does not exist

Since it's not really an error condition. Also fix a test dispose.

Test: N/A
Change-Id: I9484233ce50975ea6eda5c7e480c727c1d6bb19a
(cherry picked from commit 52feaa430b24eb11d7a4b6c9283e9f137e302d98)
2 files changed