onclite: audio: fix VTS

Using "dynamic" is invalid according to xml schema
"audio_policy_configuration_V6_0.xsd".

Test: atest VtsHalAudioV6_0TargetTest
Test: atest VtsHalAudioEffectV6_0TargetTest

Signed-off-by: Hadad <hadad@linuxmail.org>
Change-Id: Ic1660f0d593f83e5568a4ad678383e600e27b793