Merge "libsnapshot: CHECK -> CHECK_EQ" into main am: 007f95d721 am: fe98ade3ba

Original change: https://android-review.googlesource.com/c/platform/system/core/+/3269744

Change-Id: I0fe57fd15c3df033af69169f3ec33256c4366911
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>