[Android] Small java changes for EMMA code coverage

One piece of the overall java coverage change.
See: https://codereview.chromium.org/20210002/ 

NOTRY=True
BUG=255644

Review URL: https://chromiumcodereview.appspot.com/23253005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@218559 0039d316-1c4b-4281-b951-d872f2087c98
3 files changed