am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/DocumentsUI/+/22980126



Change-Id: If9e8d004a0130375e4d148b0100f9e0db944173e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>