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

tests/media/src/android/mediav2/cts/CodecTestBase.java

diff --git a/tests/media/src/android/mediav2/cts/CodecTestBase.java b/tests/media/src/android/mediav2/cts/CodecTestBase.java
index 8be2efb..350a85e 100644
--- a/tests/media/src/android/mediav2/cts/CodecTestBase.java
+++ b/tests/media/src/android/mediav2/cts/CodecTestBase.java
@@ -1016,6 +1016,9 @@
                 }
                 if (needVideo) {
                     list.add(MediaFormat.MIMETYPE_VIDEO_HEVC);
+                    if (IS_AT_LEAST_U) {
+                        list.add(MediaFormat.MIMETYPE_VIDEO_AV1);
+                    }
                 }
             }
             if (MediaUtils.isTv() && needVideo) {