Add audio transcodes to Special:TimedMediaHandler and added a condition to check for audio transcodes in TimedMediaHandler.hooks.php .

Future todo: Add number audio files to summary at top.

Bug: 49654
Change-Id: I99d29908f1d2a0ebdd3a44db4652a0aa4e35b034
Merge "Add audio transcodes to Special:TimedMediaHandler and added a condition to check for audio transcodes in TimedMediaHandler.hooks.php ."