Fix rotation in camera2 API

Bug: 10804238
Change-Id: I093945789d9c6d373392fc9dfd18ec2c6058d3b9
diff --git a/include/system/graphics.h b/include/system/graphics.h
index 154f9cb..be86ae4 100644
--- a/include/system/graphics.h
+++ b/include/system/graphics.h
@@ -293,6 +293,8 @@
     HAL_TRANSFORM_ROT_180   = 0x03,
     /* rotate source image 270 degrees clockwise */
     HAL_TRANSFORM_ROT_270   = 0x07,
+    /* don't use. see system/window.h */
+    HAL_TRANSFORM_RESERVED  = 0x08,
 };
 
 #ifdef __cplusplus