Android: moves autofill to use long for JNI.

BUG=317523

Review URL: https://codereview.chromium.org/131573002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@244146 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 244146
Only print summary of all test iterations if there is more than one.

Also print a clear "SUCCESS" message on success.

BUG=236893
R=sky@chromium.org

Review URL: https://codereview.chromium.org/131663002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@244147 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 244147