Roll src/third_party/libvpx/source/libvpx/ 57566ff24..4f774ac50 (29 commits).

third_party/libvpx/source/config/linux/arm-neon-cpu-detect/vpx_dsp_rtcd.h

Index: third_party/libvpx/source/config/linux/arm-neon-cpu-detect/vpx_dsp_rtcd.h
diff --git a/third_party/libvpx/source/config/linux/arm-neon-cpu-detect/vpx_dsp_rtcd.h b/third_party/libvpx/source/config/linux/arm-neon-cpu-detect/vpx_dsp_rtcd.h
index f79818911e07470b08b52befdddd6a2e16f3deea..f72e439836ca0625a7c71ae725cf55d08b8722a2 100644
--- a/third_party/libvpx/source/config/linux/arm-neon-cpu-detect/vpx_dsp_rtcd.h
+++ b/third_party/libvpx/source/config/linux/arm-neon-cpu-detect/vpx_dsp_rtcd.h
@@ -305,7 +305,8 @@ void vpx_hadamard_16x16_c(const int16_t *src_diff, int src_stride, int16_t *coef
 #define vpx_hadamard_16x16 vpx_hadamard_16x16_c
 
 void vpx_hadamard_8x8_c(const int16_t *src_diff, int src_stride, int16_t *coeff);
-#define vpx_hadamard_8x8 vpx_hadamard_8x8_c
+void vpx_hadamard_8x8_neon(const int16_t *src_diff, int src_stride, int16_t *coeff);
+RTCD_EXTERN void (*vpx_hadamard_8x8)(const int16_t *src_diff, int src_stride, int16_t *coeff);
 
 void vpx_he_predictor_4x4_c(uint8_t *dst, ptrdiff_t y_stride, const uint8_t *above, const uint8_t *left);
 #define vpx_he_predictor_4x4 vpx_he_predictor_4x4_c
@@ -923,6 +924,8 @@ static void setup_rtcd_internal(void)
     if (flags & HAS_NEON) vpx_h_predictor_4x4 = vpx_h_predictor_4x4_neon;
     vpx_h_predictor_8x8 = vpx_h_predictor_8x8_c;
     if (flags & HAS_NEON) vpx_h_predictor_8x8 = vpx_h_predictor_8x8_neon;
+    vpx_hadamard_8x8 = vpx_hadamard_8x8_c;
+    if (flags & HAS_NEON) vpx_hadamard_8x8 = vpx_hadamard_8x8_neon;
     vpx_idct16x16_10_add = vpx_idct16x16_10_add_c;
     if (flags & HAS_NEON) vpx_idct16x16_10_add = vpx_idct16x16_10_add_neon;
     vpx_idct16x16_1_add = vpx_idct16x16_1_add_c;