Angler: Fix error in audio policy XML configuration file

Remove erroneous duplicate line in audio policy configuration
  file.

Change-Id: I68001b3f90f924e72ed83872710f7d33db787fd6
diff --git a/audio_policy_configuration.xml b/audio_policy_configuration.xml
index 8c1a27f..7ac835d 100644
--- a/audio_policy_configuration.xml
+++ b/audio_policy_configuration.xml
@@ -54,7 +54,6 @@
                     <profile name="" format="AUDIO_FORMAT_AAC_HE_V1"
                              samplingRates="8000,11025,12000,16000,22050,24000,32000,44100,48000"
                              channelMasks="AUDIO_CHANNEL_OUT_STEREO,AUDIO_CHANNEL_OUT_MONO"/>
-                             channelMasks="AUDIO_CHANNEL_OUT_STEREO,AUDIO_CHANNEL_OUT_MONO"/>
                     <profile name="" format="AUDIO_FORMAT_AAC_HE_V2"
                              samplingRates="8000,11025,12000,16000,22050,24000,32000,44100,48000"
                              channelMasks="AUDIO_CHANNEL_OUT_STEREO,AUDIO_CHANNEL_OUT_MONO"/>