Add two new display info fields

This adds SurfaceFlinger's app VSYNC offset and buffer deadline
values to DisplayInfo.

Bug 14612039

Change-Id: Ie0ab21d388fe2764f2b6f71bd1cefa33dc861a73
diff --git a/include/ui/DisplayInfo.h b/include/ui/DisplayInfo.h
index 3b5cd6d..799944f 100644
--- a/include/ui/DisplayInfo.h
+++ b/include/ui/DisplayInfo.h
@@ -19,6 +19,7 @@
 
 #include <stdint.h>
 #include <sys/types.h>
+#include <utils/Timers.h>
 
 #include <ui/PixelFormat.h>
 
@@ -33,6 +34,8 @@
     float density;
     uint8_t orientation;
     bool secure;
+    nsecs_t appVsyncOffset;
+    nsecs_t presentationDeadline;
 };
 
 /* Display orientations as defined in Surface.java and ISurfaceComposer.h. */