Merge "remount: Remove dev_t checks from tests." am: c38725ce9c

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2184639

Change-Id: I2b76ef63a3f72029cbea9f4541c2019c1e1bb022
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>