gralloc1: Add support for 10-bit tight pack usage flag

Add new usage flag that can be used to indicate 10-bit
tight pack implementation defined format such as TP10.

Change-Id: I056c1f39f61503a30e57ea3b1d463897558d2829
CRs-Fixed: 2070081
diff --git a/libgralloc1/gralloc_priv.h b/libgralloc1/gralloc_priv.h
index 246ba90..d8dfbf3 100644
--- a/libgralloc1/gralloc_priv.h
+++ b/libgralloc1/gralloc_priv.h
@@ -54,6 +54,10 @@
 /* Use legacy ZSL definition until we know the correct usage on gralloc1 */
 #define GRALLOC1_PRODUCER_USAGE_PRIVATE_CAMERA_ZSL  GRALLOC_USAGE_HW_CAMERA_ZSL
 
+/* TODO(user): move these to use producer private bits once 64-bit support available */
+/* This flag is used to indicate 10-bit tight pack format (e.g. TP10) */
+#define GRALLOC1_PRODUCER_USAGE_PRIVATE_10BIT_TP  0x08000000
+
 
 /* Consumer flags */
 /* TODO(user): Fix when producer and consumer flags are actually separated */
@@ -66,9 +70,6 @@
 /* Unused flag */
 #define GRALLOC1_USAGE_PRIVATE_UNUSED1  0x04000000
 
-/* Unused flag */
-#define GRALLOC1_USAGE_PRIVATE_UNUSED2  0x08000000
-
 
 /* Legacy gralloc0.x definitions */
 /* Some clients may still be using the old flags */