mediav2 CTS: Add AV1 to the required mediaTypes list

As per android cdd 14, sec 2.2.2 and sec 2.6,
Handheld and Tablet device implementations must support decoding AV1

Bug: 244319836

Test: atest android.mediav2.cts

Change-Id: Ic5bf8a4383796f5f9b1ff5dd2b299d97a9146f18
1 file changed