docs: private void activityPaused() {
          setAppForeground(false);
          appLastSeen = System.currentTimeMillis();
          getConfigLogger().verbose(getAccountId(), "App in background");
          final int now = (int) (System.currentTimeMillis() / 1000);
          if (inCurrentSession()) {
              try {
                  StorageHelper.putInt(context, storageKeyWithSuffix(Constants.LAST_SESSION_EPOCH), now);
                  getConfigLogger().verbose(getAccountId(),"Updated session time: "+now);
              } catch (Throwable t) {
                  getConfigLogger().verbose(getAccountId(),"Failed to update session time time: " + t.getMessage());
              }
          }
      }