Gralloc: Update ADRENOPIXELFORMAT mapping

HAL_PIXEL_FORMAT_DEPTH_24 should be mapped to
ADRENO_PIXELFORMAT_D24_UNORM_X8_UINT.

Change-Id: I84e04f79d0bd4606365705f38b2410a650697cef
diff --git a/gralloc/gr_adreno_info.cpp b/gralloc/gr_adreno_info.cpp
index 73f9ce0..446c373 100644
--- a/gralloc/gr_adreno_info.cpp
+++ b/gralloc/gr_adreno_info.cpp
@@ -220,7 +220,7 @@
     case HAL_PIXEL_FORMAT_DEPTH_16:
       return ADRENO_PIXELFORMAT_D16_UNORM;
     case HAL_PIXEL_FORMAT_DEPTH_24:
-      return ADRENO_PIXELFORMAT_D24_UNORM;
+      return ADRENO_PIXELFORMAT_D24_UNORM_X8_UINT;
     case HAL_PIXEL_FORMAT_DEPTH_24_STENCIL_8:
       return ADRENO_PIXELFORMAT_D24_UNORM_S8_UINT;
     case HAL_PIXEL_FORMAT_DEPTH_32F: