AudioPolicyManager: Adjust spatialization track match

Consider Quad as the minimum channel configuration for
reasonable spatialization effect.

Fix bug that only 5.1 AudioTracks could be spatialized.

Test: Spatialization enabled for different channel masks
Test: atest AudioTrackTest#testImmersiveStreaming
Bug: 232154509
Change-Id: I1c57cdf41c4b264c9ee5e5cf717d6e939902203f
diff --git a/services/audiopolicy/managerdefault/AudioPolicyManager.h b/services/audiopolicy/managerdefault/AudioPolicyManager.h
index 441a0b7..db0ee15 100644
--- a/services/audiopolicy/managerdefault/AudioPolicyManager.h
+++ b/services/audiopolicy/managerdefault/AudioPolicyManager.h
@@ -1093,22 +1093,15 @@
          * @param attr audio attributes describing the playback use case
          * @param config audio configuration describing the audio format, channels, sample rate...
          * @param devices the sink audio device selected for playback
-         * @param allowCurrentOutputReconfig if true, the result will be considering it is possible
-         *      to close and reopen an existing spatializer output stream to match the requested
-         *      criteria. If false, the criteria must be compatible with the opened sptializer
-         *      output.
          * @return true if spatialization is possible for this context, false otherwise.
          */
         virtual bool canBeSpatializedInt(const audio_attributes_t *attr,
                                       const audio_config_t *config,
-                                      const AudioDeviceTypeAddrVector &devices,
-                                      bool allowCurrentOutputReconfig = true) const;
+                                      const AudioDeviceTypeAddrVector &devices) const;
 
         sp<IOProfile> getSpatializerOutputProfile(const audio_config_t *config,
                                                   const AudioDeviceTypeAddrVector &devices) const;
 
-        static bool isChannelMaskSpatialized(audio_channel_mask_t channels);
-
         void checkVirtualizerClientRoutes();
 
         /**