audio VTS: CompressedOffloadOutputStream to check the vendor API level

Update CompressedOffloadOutputStream to fail the test if
compressed offload mix port does not support gapless offload
for a new device launching on T+.

Bug: 219767875
Test: atest VtsHalAudioV7_0TargetTest
Test: atest VtsHalAudioV7_1TargetTest
Change-Id: Iaadf6e9b9bb7340ccaf5bc26c45fda9654190510