Spatializer load doesn't fail for spatialized masks

Do not report an error is the spatializer effect doesn't
support SPATIALIZER_PARAM_SUPPORTED_CHANNEL_MASKS or
reports an empty list as not all implementations may
have been updated to support it.

Bug: 377582613
Flag: android.media.audio.spatializer_capabilities
Test: adb shell dumpsys audio | grep "Spatial audio" -A 7
Change-Id: I8c955496f75d167b46e812b79a0d970f8ed27581