Closes #2898: Update Version to 6.3
Closes #2898: Update Version to 6.3

ekager/focus-android,mozilla-mobile/focus-android,jonalmeida/focus-android,ekager/focus-android,ekager/focus-android,mozilla-mobile/focus-android,ekager/focus-android,jonalmeida/focus-android,ekager/focus-android,jonalmeida/focus-android,jonalmeida/focus-android,mozilla-mobile/focus-android,jonalmeida/focus-android,mozilla-mobile/focus-android,ekager/focus-android,mozilla-mobile/focus-android,mozilla-mobile/focus-android,jonalmeida/focus-android