libvpx: Pull from upstream

source/libvpx/vp8/encoder/onyx_int.h

Index: source/libvpx/vp8/encoder/onyx_int.h
diff --git a/source/libvpx/vp8/encoder/onyx_int.h b/source/libvpx/vp8/encoder/onyx_int.h
index bd864b2b4f13297dc1e8190f23e288a104fa763d..c48e2f4478bc287fa9db95937d726481eafb5d87 100644
--- a/source/libvpx/vp8/encoder/onyx_int.h
+++ b/source/libvpx/vp8/encoder/onyx_int.h
@@ -716,6 +716,11 @@ typedef struct VP8_COMP
     } rd_costs;
 } VP8_COMP;
 
+void vp8_alloc_compressor_data(VP8_COMP *cpi);
+int vp8_reverse_trans(int x);
+void vp8_new_framerate(VP8_COMP *cpi, double framerate);
+void vp8_loopfilter_frame(VP8_COMP *cpi, VP8_COMMON *cm);
+
 void vp8_pack_bitstream(VP8_COMP *cpi, unsigned char *dest,
                         unsigned char *dest_end, unsigned long *size);