[automerger skipped] [RESTRICT AUTOMERGE] Revert "Revert "Revert "[pm] remove old stage dirs on low storage""" am: dde06fe41d -s ours

am skip reason: skipped by user schfan

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19092695

Change-Id: I3750cf18bd2049c430dcf292cc19db365f3fc26f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>