Merge "libfstab: Unexport InRecovery()" into main am: f6dc8ee31e am: ea70c490fa am: 5bdea0d302

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2682015

Change-Id: Idddb0b39051825c6408c5a1cfd4016285a795f41
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>