Audio V4: fix invalid SupportedChannelMasks test

Test was calling getSupportedSamplingRate instead of channel mask.

Bug: 77307068
Test: atest VtsHalAudioV4_0TargetTest
Change-Id: Ib6e9d017793edfc95853cab0c2955b8c801bc66f
Signed-off-by: Kevin Rocard <krocard@google.com>
1 file changed