[ANativeWindow] Add stub for ANativeWindow_setDequeueTimeout

HWUI and media both require setting a dequeue timeout so that dequeue
calls don't hang.

Bug: 137012798
Test: libnativewindow_test
Change-Id: Ic85b07096d490918ae4a722516b8c4b6cb0ab678
diff --git a/libs/nativewindow/include/system/window.h b/libs/nativewindow/include/system/window.h
index b7ae28a..8f85007 100644
--- a/libs/nativewindow/include/system/window.h
+++ b/libs/nativewindow/include/system/window.h
@@ -240,6 +240,7 @@
     NATIVE_WINDOW_SET_BUFFERS_HDR10_PLUS_METADATA = 34,
     NATIVE_WINDOW_SET_AUTO_PREROTATION            = 35,
     NATIVE_WINDOW_GET_LAST_DEQUEUE_START          = 36,    /* private */
+    NATIVE_WINDOW_SET_DEQUEUE_TIMEOUT             = 37,    /* private */
     // clang-format on
 };