commonsys-intf: display: add changes for display-android-commonsys.lnx.1.0

Relocate changes from display.lnx.5.0 to display-android-commonsys.lnx.1.0

CRs-Fixed: 2251141
Change-Id: Ia65f6d7f83e21702cf61f0672ba97ae006ae7886
diff --git a/gralloc/gr_priv_handle.h b/gralloc/gr_priv_handle.h
index 1eb03b8..964bed0 100644
--- a/gralloc/gr_priv_handle.h
+++ b/gralloc/gr_priv_handle.h
@@ -58,6 +58,7 @@
     PRIV_FLAGS_UBWC_ALIGNED = 0x08000000,
     PRIV_FLAGS_DISP_CONSUMER = 0x10000000,
     PRIV_FLAGS_CLIENT_ALLOCATED = 0x20000000,  // Ion buffer allocated outside of gralloc
+    PRIV_FLAGS_UBWC_ALIGNED_PI = 0x40000000,  // PI format
   };
 
   // file-descriptors dup'd over IPC