egl: Differentiate pending vs invalid timestamps.

Test: adb shell /data/nativetest/libgui_test/libgui_test
    --gtest_filter=*GetFrameTimestamps*

Change-Id: Iaa418ff1753a4339bfefaa68a6b03e8c96366a87
diff --git a/vulkan/libvulkan/Android.bp b/vulkan/libvulkan/Android.bp
index 9444da5..a35fb98 100644
--- a/vulkan/libvulkan/Android.bp
+++ b/vulkan/libvulkan/Android.bp
@@ -78,6 +78,7 @@
         "libutils",
         "libcutils",
         "libz",
+        "libnativewindow",
     ],
     static_libs: ["libgrallocusage"],
 }