Added check of the restriction if a user is allowed to change their icon.

import android.graphics.drawable.Drawable;

import android.net.Uri;

import android.os.AsyncTask;

import android.os.UserManager;

import android.provider.ContactsContract.DisplayPhoto;

import android.provider.MediaStore;

import android.support.v4.content.FileProvider;

                showUpdatePhotoPopup();

            }

        });

        final UserManager um = (UserManager) mContext.getSystemService(Context.USER_SERVICE);

        if (um.hasUserRestriction(UserManager.DISALLOW_SET_USER_ICON)) {

            mImageView.setEnabled(false);

        }

        mNewUserPhotoBitmap = bitmap;

        mNewUserPhotoDrawable = drawable;

    }