Spatializer: Workaround for Head Tracking on BT AAC

As the BT HAL doesn't report low latency reliably,
it is not required to enable Head Tracking.

Nevertheless we always request low latency for
head tracking if the HAL supports it.

Test: Head Tracking works over AAC HT Buds
Bug: 253297301
Change-Id: I6e372603a9f69c7bd9eb0434d18208f61fd9b78d