aomdx.h: Add last missing control

Bug: aomedia:3223
Change-Id: I26864d6e6353c234fbcb6b62f98576aae408f15a
(cherry picked from commit f563bf5dde20c0ab556578704191c8ed72c0fa55)

aom/aomdx.h

diff --git a/aom/aomdx.h b/aom/aomdx.h
index 3c40c83..f2a373c 100644
--- a/aom/aomdx.h
+++ b/aom/aomdx.h
@@ -519,6 +519,9 @@
 AOM_CTRL_USE_TYPE(AV1D_GET_FRAME_SIZE, int *)
 #define AOM_CTRL_AV1D_GET_FRAME_SIZE
 
+AOM_CTRL_USE_TYPE(AV1_SET_BYTE_ALIGNMENT, int)
+#define AOM_CTRL_AV1_SET_BYTE_ALIGNMENT
+
 AOM_CTRL_USE_TYPE(AV1_INVERT_TILE_DECODE_ORDER, int)
 #define AOM_CTRL_AV1_INVERT_TILE_DECODE_ORDER