AudioPolicyManager: remove 5.1 channels for Surround Settings NEVER

This allows people with TOSLINK to hear the correct stereo PCM
when listening to movies.

Bug: 25144047
Change-Id: I88401c016dd5a3a469becb019540c04befe78bba
Signed-off-by: Phil Burk <philburk@google.com>
diff --git a/services/audiopolicy/managerdefault/AudioPolicyManager.h b/services/audiopolicy/managerdefault/AudioPolicyManager.h
index 1302cb5..0420679 100644
--- a/services/audiopolicy/managerdefault/AudioPolicyManager.h
+++ b/services/audiopolicy/managerdefault/AudioPolicyManager.h
@@ -586,7 +586,8 @@
         AudioPolicyManagerInterface *mEngine;
 private:
         // Add or remove AC3 DTS encodings based on user preferences.
-        void filterSurroundFormats(FormatVector &formats);
+        void filterSurroundFormats(FormatVector *formatsPtr);
+        void filterSurroundChannelMasks(ChannelsVector *channelMasksPtr);
 
         // If any, resolve any "dynamic" fields of an Audio Profiles collection
         void updateAudioProfiles(audio_devices_t device, audio_io_handle_t ioHandle,