audio flinger: rename Bluetooth latency mode APIs

Rename APIs controlling Bluetooth variable latency
after API review suggestions.

Bug: 257922898
Test: make

Merged-In: I517ad9c6aef14975c9e0a1a2703d1b17d638ea0e
Change-Id: I517ad9c6aef14975c9e0a1a2703d1b17d638ea0e
diff --git a/media/libaudiohal/impl/DeviceHalHidl.h b/media/libaudiohal/impl/DeviceHalHidl.h
index 727e92f..3e33609 100644
--- a/media/libaudiohal/impl/DeviceHalHidl.h
+++ b/media/libaudiohal/impl/DeviceHalHidl.h
@@ -132,7 +132,7 @@
         return INVALID_OPERATION;
     }
 
-    int32_t supportsBluetoothLatencyModes(bool* supports __unused) override {
+    int32_t supportsBluetoothVariableLatency(bool* supports __unused) override {
         // TODO: Implement the HAL query when moving to AIDL HAL.
         return INVALID_OPERATION;
     }