Android: Fix crash in video conformance tests

NOTRY=True

BUG=341698

Review URL: https://codereview.chromium.org/170063003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@252628 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 252628