[automerger skipped] PrintSpooler: Require empty output for PDF am: dc89ac21 -s ours

am skip reason: Merged-In Id598cd1a9d2456566f3905432eb7b5ffeab9d33e with SHA-1 aefc97d1 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/34378612



Change-Id: Ib3c3f31676cf0a9bb83ddfd4f1e028bf4efa6132
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>