Handle sync_fd==-1 am: 3341d8a5df

Original change: https://googleplex-android-review.googlesource.com/c/device/generic/goldfish-opengl/+/19890289

Change-Id: Ife5e9b0bee083c0184f9462220de795337e0cb9e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>