Merge "support negative zstd compression levels" into main am: 361120ca

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2710359



Change-Id: Ia1fc435da058b6eff7a0c78ebdd349b3c7b2b299
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>