am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/DocumentsUI/+/24608352



Change-Id: Ide8d8206d2fcf039c535320d07459d38b49726f1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>