Move myself from chrome to content OWNERS

BUG=


Review URL: https://chromiumcodereview.appspot.com/11829005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@175651 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/android/OWNERS

 bulach@chromium.org
 jcivelli@chromium.org
-joth@chromium.org
 nileshagrawal@chromium.org
 tedchoc@chromium.org
 yfriedman@chromium.org

content/public/android/OWNERS

 bulach@chromium.org
 jcivelli@chromium.org
+joth@chromium.org
 nileshagrawal@chromium.org
 tedchoc@chromium.org
 yfriedman@chromium.org