[automerger skipped] Merge "Revert "Revert "[pm] remove old stage dirs on low...

[automerger skipped] Merge "Revert "Revert "[pm] remove old stage dirs on low storage""" into rvc-dev am: abe4e384 am: a5599c23 -s ours am: 6da1135a -s ours am: 778d92c7 -s ours am: 9972b387 -s ours am: d14d7f52 -s ours

am skip reason: skipped by user schfan

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/16057568

Change-Id: I8e501740f5e8a9ddd226f76f9459d351444b7e3b