Merge "libsnapshot: log compression algorithm" into main am: 7cf49320 am: fd81c5e3

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2972271



Change-Id: Ib192a1191cad2f4ab8a0b1011aacf00c33e0dc96
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>