Update proxy_mgr for new interstitial loading page.
Update proxy_mgr for new interstitial loading page.

jmchandonia/narrative,jmchandonia/narrative,briehl/narrative,kbase/narrative,jmchandonia/narrative,kbase/narrative,pranjan77/narrative,kbase/narrative,pranjan77/narrative,jmchandonia/narrative,briehl/narrative,pranjan77/narrative,pranjan77/narrative,pranjan77/narrative,briehl/narrative,kbase/narrative,pranjan77/narrative,jmchandonia/narrative,kbase/narrative,briehl/narrative,jmchandonia/narrative,kbase/narrative,briehl/narrative,briehl/narrative,jmchandonia/narrative,briehl/narrative,pranjan77/narrative