Merge "libsnapshot: Add single threaded compression to v3 writer" into main...

Merge "libsnapshot: Add single threaded compression to v3 writer" into main am: 5e83e63b am: c35222c5 am: 233c8ed8

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2816298



Change-Id: Ibd67a4bcaff4bba367ee7d475ad2078cf43a79c5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>