Add NATIVE_WINDOW_ENABLE_FRAME_TIMESTAMPS

Test: Manual testing with Chrome.

Change-Id: Ia16546064952693f42205de34a06f3b097debea0
diff --git a/include/system/window.h b/include/system/window.h
index 4f9ae0d..abd3282 100644
--- a/include/system/window.h
+++ b/include/system/window.h
@@ -353,7 +353,8 @@
     NATIVE_WINDOW_SET_SURFACE_DAMAGE        = 20,   /* private */
     NATIVE_WINDOW_SET_SHARED_BUFFER_MODE    = 21,
     NATIVE_WINDOW_SET_AUTO_REFRESH          = 22,
-    NATIVE_WINDOW_GET_FRAME_TIMESTAMPS      = 23,
+    NATIVE_WINDOW_ENABLE_FRAME_TIMESTAMPS   = 23,
+    NATIVE_WINDOW_GET_FRAME_TIMESTAMPS      = 24,
 };
 
 /* parameter for NATIVE_WINDOW_[API_][DIS]CONNECT */
@@ -1016,6 +1017,13 @@
     return window->perform(window, NATIVE_WINDOW_SET_AUTO_REFRESH, autoRefresh);
 }
 
+static inline int native_window_enable_frame_timestamps(
+        struct ANativeWindow* window, bool enable)
+{
+    return window->perform(window, NATIVE_WINDOW_ENABLE_FRAME_TIMESTAMPS,
+            enable);
+}
+
 static inline int native_window_get_frame_timestamps(
         struct ANativeWindow* window, uint32_t framesAgo,
         int64_t* outRequestedPresentTime, int64_t* outAcquireTime,