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/gr_adreno_info.cpp b/gralloc/gr_adreno_info.cpp
index e8e1896..2e1245c 100644
--- a/gralloc/gr_adreno_info.cpp
+++ b/gralloc/gr_adreno_info.cpp
@@ -75,7 +75,7 @@
   // Check if the overriding property debug.gralloc.gfx_ubwc_disable
   // that disables UBWC allocations for the graphics stack is set
   char property[PROPERTY_VALUE_MAX];
-  property_get("debug.gralloc.gfx_ubwc_disable", property, "0");
+  property_get(DISABLE_UBWC_PROP, property, "0");
   if (!(strncmp(property, "1", PROPERTY_VALUE_MAX)) ||
       !(strncmp(property, "true", PROPERTY_VALUE_MAX))) {
     gfx_ubwc_disable_ = true;