Update VtsHalAudioPolicyV1_0TargetTest to match XML changes

There was a proposal for a backward-compatible XML schema change
(https://android-review.googlesource.com/q/I1bf31c6bf6c57c9b79f0d5751601aa77780f1f80)
which had a mistake. Express the change correctly to match
the implementation.

Bug: 231929160
Test: atest VtsHalAudioPolicyV1_0TargetTest
Change-Id: Id581e290740a3c00ba3719a339c9bc47d730f35c
Merged-In: Id581e290740a3c00ba3719a339c9bc47d730f35c