Merge "Fix fragments to android.R.id.content not be removable" into mnc-ub-dev am: b9b56bdd04 am: a8bc13cbd4
am: 37b6c4240f

* commit '37b6c4240f1adf4d54a01edeede98b09ebf8db65':
  Fix fragments to android.R.id.content not be removable