Copy libvpx from DEPS to src

third_party/libvpx_new/source/config/linux/x64/vpx_config.c

Index: third_party/libvpx_new/source/config/linux/x64/vpx_config.c
diff --git a/third_party/libvpx_new/source/config/linux/x64/vpx_config.c b/third_party/libvpx_new/source/config/linux/x64/vpx_config.c
new file mode 100644
index 0000000000000000000000000000000000000000..4f190b1958dae054ccc93d8ec3af397a609903eb
--- /dev/null
+++ b/third_party/libvpx_new/source/config/linux/x64/vpx_config.c
@@ -0,0 +1,10 @@
+/* Copyright (c) 2011 The WebM project authors. All Rights Reserved. */
+/*  */
+/* Use of this source code is governed by a BSD-style license */
+/* that can be found in the LICENSE file in the root of the source */
+/* tree. An additional intellectual property rights grant can be found */
+/* in the file PATENTS.  All contributing project authors may */
+/* be found in the AUTHORS file in the root of the source tree. */
+#include "vpx/vpx_codec.h"
+static const char* const cfg = "--target=x86_64-linux-gcc --disable-ccache --enable-pic --enable-realtime-only --enable-external-build --enable-postproc --disable-install-srcs --enable-multi-res-encoding --enable-temporal-denoising --disable-unit-tests --disable-install-docs --disable-examples --enable-vp9-temporal-denoising --enable-vp9-postproc --size-limit=16384x16384";
+const char *vpx_codec_build_config(void) {return cfg;}