Update Opus to 1.0.2.

This update contains improvements for PLC, and various other fixes.

TBR=wez@chromium.org

Review URL: https://codereview.chromium.org/12388030

git-svn-id: svn://svn.chromium.org/chrome/trunk/deps/third_party/opus@185324 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/opus_headers.mk b/opus_headers.mk
new file mode 100644
index 0000000..f160710
--- /dev/null
+++ b/opus_headers.mk
@@ -0,0 +1,4 @@
+OPUS_HEAD = \
+include/opus.h \
+include/opus_multistream.h \
+src/opus_private.h