Make TestF2fsCompression work with the compress_mode=user mount option am: a3982f5ae5

Original change: https://googleplex-android-review.googlesource.com/c/platform/test/vts-testcase/kernel/+/18438536

Change-Id: Ia20f8a4a49214511b0e43de864ac891c11dc855d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>