libgralloc: Invoke adreno for ASTC format padding.

Invoke adreno util API to calculate padding bytes for ASTC
formats.

Change-Id: I96af0199a0029786fd2975a7c002d5414c797521
diff --git a/libgralloc/gr.h b/libgralloc/gr.h
index 8c68e16..20b2994 100644
--- a/libgralloc/gr.h
+++ b/libgralloc/gr.h
@@ -120,12 +120,12 @@
         // Pointer to the padding library.
         void *libadreno_utils;
 
-        // link to the surface padding library.
+        // link(s)to adreno surface padding library.
         int (*LINK_adreno_compute_padding) (int width, int bpp,
                                                 int surface_tile_height,
                                                 int screen_tile_height,
                                                 int padding_threshold);
-        // link to the surface padding library.
+
         void (*LINK_adreno_compute_aligned_width_and_height) (int width,
                                                 int height,
                                                 int bpp,
@@ -134,8 +134,18 @@
                                                 int padding_threshold,
                                                 int *aligned_w,
                                                 int *aligned_h);
-        // link to the surface padding library.
+
         int (*LINK_adreno_isMacroTilingSupportedByGpu) (void);
 
+        void(*LINK_adreno_compute_compressedfmt_aligned_width_and_height)(
+                                                int width,
+                                                int height,
+                                                int format,
+                                                int tile_mode,
+                                                int raster_mode,
+                                                int padding_threshold,
+                                                int *aligned_w,
+                                                int *aligned_h,
+                                                int *bpp);
 };
 #endif /* GR_H_ */