Add PRESENT_FENCE_IS_NOT_RELIABLE

Test: adb shell /data/nativetest/libgui_test/libgui_test
  --gtest_filter=*GetFrameTimestamps*
Bug: 36730849, 36887025

Change-Id: I09a543e7143542a4ed2952e7af1add17d864e3f2
1 file changed