libvpx: add configurations excluding VP9 for ARM Neon and ARM64.

third_party/libvpx/source/config/linux/arm64-no-vp9/vp9_rtcd.h

Index: third_party/libvpx/source/config/linux/arm64-no-vp9/vp9_rtcd.h
diff --git a/third_party/libvpx/source/config/linux/arm64-no-vp9/vp9_rtcd.h b/third_party/libvpx/source/config/linux/arm64-no-vp9/vp9_rtcd.h
new file mode 100644
index 0000000000000000000000000000000000000000..427ad0e3dcc8288b92a1943d79d68bced96bc7a0
--- /dev/null
+++ b/third_party/libvpx/source/config/linux/arm64-no-vp9/vp9_rtcd.h
@@ -0,0 +1,77 @@
+#ifndef VP9_RTCD_H_
+#define VP9_RTCD_H_
+
+#ifdef RTCD_C
+#define RTCD_EXTERN
+#else
+#define RTCD_EXTERN extern
+#endif
+
+/*
+ * VP9
+ */
+
+#include "vpx/vpx_integer.h"
+#include "vp9/common/vp9_common.h"
+#include "vp9/common/vp9_enums.h"
+
+struct macroblockd;
+
+/* Encoder forward decls */
+struct macroblock;
+struct vp9_variance_vtable;
+struct search_site_config;
+struct mv;
+union int_mv;
+struct yv12_buffer_config;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void vp9_filter_by_weight16x16_c(const uint8_t *src, int src_stride, uint8_t *dst, int dst_stride, int src_weight);
+#define vp9_filter_by_weight16x16 vp9_filter_by_weight16x16_c
+
+void vp9_filter_by_weight8x8_c(const uint8_t *src, int src_stride, uint8_t *dst, int dst_stride, int src_weight);
+#define vp9_filter_by_weight8x8 vp9_filter_by_weight8x8_c
+
+void vp9_iht16x16_256_add_c(const tran_low_t *input, uint8_t *output, int pitch, int tx_type);
+#define vp9_iht16x16_256_add vp9_iht16x16_256_add_c
+
+void vp9_iht4x4_16_add_c(const tran_low_t *input, uint8_t *dest, int dest_stride, int tx_type);
+void vp9_iht4x4_16_add_neon(const tran_low_t *input, uint8_t *dest, int dest_stride, int tx_type);
+#define vp9_iht4x4_16_add vp9_iht4x4_16_add_neon
+
+void vp9_iht8x8_64_add_c(const tran_low_t *input, uint8_t *dest, int dest_stride, int tx_type);
+void vp9_iht8x8_64_add_neon(const tran_low_t *input, uint8_t *dest, int dest_stride, int tx_type);
+#define vp9_iht8x8_64_add vp9_iht8x8_64_add_neon
+
+void vp9_mbpost_proc_across_ip_c(uint8_t *src, int pitch, int rows, int cols, int flimit);
+#define vp9_mbpost_proc_across_ip vp9_mbpost_proc_across_ip_c
+
+void vp9_mbpost_proc_down_c(uint8_t *dst, int pitch, int rows, int cols, int flimit);
+#define vp9_mbpost_proc_down vp9_mbpost_proc_down_c
+
+void vp9_post_proc_down_and_across_c(const uint8_t *src_ptr, uint8_t *dst_ptr, int src_pixels_per_line, int dst_pixels_per_line, int rows, int cols, int flimit);
+#define vp9_post_proc_down_and_across vp9_post_proc_down_and_across_c
+
+void vp9_rtcd(void);
+
+#include "vpx_config.h"
+
+#ifdef RTCD_C
+#include "vpx_ports/arm.h"
+static void setup_rtcd_internal(void)
+{
+    int flags = arm_cpu_caps();
+
+    (void)flags;
+
+}
+#endif
+
+#ifdef __cplusplus
+}  // extern "C"
+#endif
+
+#endif