Fix NullPointerException in Utils.copyMeProfilePhoto.

Bug: 28221898
Change-Id: I2f67c4ba349a1c831b22174fefd0db6efeffbf1e

src/com/android/settings/Utils.java

@@ -347,11 +347,12 @@ public final class Utils extends com.android.settingslib.Utils {
         // If there's no profile photo, assign a default avatar
         if (avatarDataStream == null) {
             assignDefaultPhoto(context, userId);
-        } else {
+            return;
+        }
+
         UserManager um = (UserManager) context.getSystemService(Context.USER_SERVICE);
         Bitmap icon = BitmapFactory.decodeStream(avatarDataStream);
         um.setUserIcon(userId, icon);
-        }
         try {
             avatarDataStream.close();
         } catch (IOException ioe) { }