code: @SuppressWarnings("ConstantConditions")
      private void notifyChange(Uri notify, Uri orig) {
          if (orig.getBooleanQueryParameter(NOTIFY_CHANGE, true)) {
              getContext().getContentResolver().notifyChange(notify, null,
                      !orig.getBooleanQueryParameter(CALLER_IS_SYNCADAPTER, false));
          }
      }
docs: Notify observers of a change at notify URI. This will be a no-op if the original URI
  specifies {@link Content#NOTIFY_CHANGE NOTIFY_CHANGE} = false/0. The change will be synced
  to the network if the {@link Content#CALLER_IS_SYNCADAPTER caller is not a sync adapter}.