audio_channel_in/out_mask_from_count

and avoid ambiguous term "channels" where it might be confusing
as to whether it is a channel mask or channel count

Change-Id: I744fa08ccb6001a98c97bd638d2c9d56836c4234
diff --git a/media/libmediaplayerservice/MediaPlayerService.cpp b/media/libmediaplayerservice/MediaPlayerService.cpp
index 1cc120c..8f62ee4 100644
--- a/media/libmediaplayerservice/MediaPlayerService.cpp
+++ b/media/libmediaplayerservice/MediaPlayerService.cpp
@@ -1514,7 +1514,7 @@
     frameCount = (sampleRate*afFrameCount*bufferCount)/afSampleRate;
 
     if (channelMask == CHANNEL_MASK_USE_CHANNEL_ORDER) {
-        channelMask = audio_channel_mask_from_count(channelCount);
+        channelMask = audio_channel_out_mask_from_count(channelCount);
         if (0 == channelMask) {
             ALOGE("open() error, can\'t derive mask for %d audio channels", channelCount);
             return NO_INIT;