Fix DCHECK in ErrorDelayingOutputStream. am: 52b4f8dca2

Original change: https://android-review.googlesource.com/c/platform/art/+/2270948

Change-Id: I2e9681aec58b7a80a7a590b9546e94f9a0545b0f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>