Updating Opus to a pre-release of 1.1

This CL updates Opus to a pre-release of the coming Opus 1.1 version. The code is extracted from http://git.xiph.org/?p=opus.git, commit aee4d8057632ea0cfc1d55d88acf8466b47b7b4b from October 1st 2013.
This version includes both algorithmic and platform optimizations, as well an important fix for a denorm problem when the input goes silent after active audio. The problem causes high CPU usage.

Review URL: https://codereview.chromium.org/28553003

git-svn-id: svn://svn.chromium.org/chrome/trunk/deps/third_party/opus@230378 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/celt_headers.mk b/celt_headers.mk
index f89d66a..067b294 100644
--- a/celt_headers.mk
+++ b/celt_headers.mk
@@ -2,6 +2,7 @@
 celt/arch.h \
 celt/bands.h \
 celt/celt.h \
+celt/cpu_support.h \
 include/opus_types.h \
 include/opus_defines.h \
 include/opus_custom.h \
@@ -28,4 +29,10 @@
 celt/stack_alloc.h \
 celt/vq.h \
 celt/static_modes_float.h \
-celt/static_modes_fixed.h
+celt/static_modes_fixed.h \
+celt/arm/armcpu.h \
+celt/arm/fixed_armv4.h \
+celt/arm/fixed_armv5e.h \
+celt/arm/kiss_fft_armv4.h \
+celt/arm/kiss_fft_armv5e.h \
+celt/x86/pitch_sse.h