Merge "libsnapshot: Detach the daemon explicitly before stopping the service"...

Merge "libsnapshot: Detach the daemon explicitly before stopping the service" into main am: 3a7774d6

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2881268



Change-Id: Idf47e02944a34cf39b1988d14b6ddd9c9f7f4be9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>