sdm: comply with treble guidelines

Modify the property names and use macros in place of them

CRs-Fixed: 2206249
Change-Id: I5ae790ca62a258b0d7c14931e0132727feed48a3
diff --git a/gralloc/gralloc_priv.h b/gralloc/gralloc_priv.h
index c6e8ca6..687029e 100644
--- a/gralloc/gralloc_priv.h
+++ b/gralloc/gralloc_priv.h
@@ -24,6 +24,13 @@
 #include <unistd.h>
 #include "gr_priv_handle.h"
 
+#define GRALLOC_PROP_PREFIX  "vendor.gralloc."
+#define GRALLOC_PROP(prop_name) GRALLOC_PROP_PREFIX prop_name
+
+#define DISABLE_UBWC_PROP                    GRALLOC_PROP("disable_ubwc")
+#define ENABLE_FB_UBWC_PROP                  GRALLOC_PROP("enable_fb_ubwc")
+#define MAP_FB_MEMORY_PROP                   GRALLOC_PROP("map_fb_memory")
+
 #define ROUND_UP_PAGESIZE(x) roundUpToPageSize(x)
 inline int roundUpToPageSize(int x) {
   return (x + (getpagesize() - 1)) & ~(getpagesize() - 1);