Revert "Revert "Add support for setting byte alignment.""

This reverts commit 91471d6aad285ff10e7582e485d8adadd1986fe2.

Fixes the compile issues if post_proc is enabled.

Change-Id: Ib40a15ce2c194f9b5adfa65a17ab01ddf60f5a59
diff --git a/vp9/decoder/vp9_decodeframe.c b/vp9/decoder/vp9_decodeframe.c
index 58df87d..6eb9026 100644
--- a/vp9/decoder/vp9_decodeframe.c
+++ b/vp9/decoder/vp9_decodeframe.c
@@ -719,6 +719,7 @@
           cm->use_highbitdepth,
 #endif
           VP9_DEC_BORDER_IN_PIXELS,
+          cm->byte_alignment,
           &cm->frame_bufs[cm->new_fb_idx].raw_frame_buffer, cm->get_fb_cb,
           cm->cb_priv)) {
     vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR,
@@ -793,6 +794,7 @@
           cm->use_highbitdepth,
 #endif
           VP9_DEC_BORDER_IN_PIXELS,
+          cm->byte_alignment,
           &cm->frame_bufs[cm->new_fb_idx].raw_frame_buffer, cm->get_fb_cb,
           cm->cb_priv)) {
     vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR,