Merge "vts_fs_test: Relax filesystem constraints for fixed partitions." into udc-dev am: 7f5512dcd0

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/core/+/23597911

Change-Id: I8463a2cf98fd1b58b41dd6c488626cc670562349
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>