Disable bilinear_predict4x4_neon

When built with newer versions of clang the alignments hints may cause
the loads to fail.

BUG=22943772

Change-Id: I7464de73f260458bc490f9178d0cfcc4eca8661b
(cherry picked from commit 939bda3fbdcbb7d56301f31010d10970c5d10612)
diff --git a/armv7a-neon/vp8_rtcd.h b/armv7a-neon/vp8_rtcd.h
index 77b0e47..66ad28a 100644
--- a/armv7a-neon/vp8_rtcd.h
+++ b/armv7a-neon/vp8_rtcd.h
@@ -33,8 +33,7 @@
 
 void vp8_bilinear_predict4x4_c(unsigned char *src, int src_pitch, int xofst, int yofst, unsigned char *dst, int dst_pitch);
 void vp8_bilinear_predict4x4_armv6(unsigned char *src, int src_pitch, int xofst, int yofst, unsigned char *dst, int dst_pitch);
-void vp8_bilinear_predict4x4_neon(unsigned char *src, int src_pitch, int xofst, int yofst, unsigned char *dst, int dst_pitch);
-#define vp8_bilinear_predict4x4 vp8_bilinear_predict4x4_neon
+#define vp8_bilinear_predict4x4 vp8_bilinear_predict4x4_armv6
 
 void vp8_bilinear_predict8x4_c(unsigned char *src, int src_pitch, int xofst, int yofst, unsigned char *dst, int dst_pitch);
 void vp8_bilinear_predict8x4_armv6(unsigned char *src, int src_pitch, int xofst, int yofst, unsigned char *dst, int dst_pitch);
diff --git a/libvpx/vp8/common/rtcd_defs.pl b/libvpx/vp8/common/rtcd_defs.pl
index fd9afd2..4aa0e0c 100644
--- a/libvpx/vp8/common/rtcd_defs.pl
+++ b/libvpx/vp8/common/rtcd_defs.pl
@@ -238,7 +238,7 @@
 $vp8_bilinear_predict8x4_media=vp8_bilinear_predict8x4_armv6;
 
 add_proto qw/void vp8_bilinear_predict4x4/, "unsigned char *src, int src_pitch, int xofst, int yofst, unsigned char *dst, int dst_pitch";
-specialize qw/vp8_bilinear_predict4x4 mmx media neon/;
+specialize qw/vp8_bilinear_predict4x4 mmx media/;
 $vp8_bilinear_predict4x4_media=vp8_bilinear_predict4x4_armv6;
 
 #