Revert "Revert part of r7561, "Refactor audio conversion functions.""

This restores the conversion changes to AudioProcessing originally
added in r7561, with minor alterations to ensure it passes all tests.

TBR=kwiberg

Review URL: https://webrtc-codereview.appspot.com/28899004

git-svn-id: http://webrtc.googlecode.com/svn/trunk/data@7574 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/audio_processing/output_data_fixed.pb b/audio_processing/output_data_fixed.pb
index eb525c3..6e36d55 100644
--- a/audio_processing/output_data_fixed.pb
+++ b/audio_processing/output_data_fixed.pb
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diff --git a/audio_processing/output_data_float.pb b/audio_processing/output_data_float.pb
index 79619e7..0fd2fe8 100644
--- a/audio_processing/output_data_float.pb
+++ b/audio_processing/output_data_float.pb
Binary files differ