[automerger skipped] [RESTRICT AUTOMERGE] Revert "Persist destroyed staged sessions until they are cleaned up" am: 07d74c4c28 am: 9a00a3d2a8 -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19092213

Change-Id: I9a8fe839957a612e71545f9c01a6286749b0d889
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>