[automerger skipped] PrintSpooler: Require empty output for PDF am: 8cea74bc -s ours

am skip reason: Merged-In Id598cd1a9d2456566f3905432eb7b5ffeab9d33e with SHA-1 d65493c6 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/34378613



Change-Id: I15add7ec22892a00ef9f99b21057522adff740ad
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>