[ARRISAPOL-3803] Notify buffering state also in pipeline state transition#516

volodymyr-ogorodnik-red merged 1 commit intolgi-wpe-2.38-25Q1LibertyGlobal/WPEWebKit:lgi-wpe-2.38-25Q1from

vogorodnik/ARRISAPOL-3803_euronews_fixLibertyGlobal/WPEWebKit:vogorodnik/ARRISAPOL-3803_euronews_fixCopy head branch name to clipboard