Merge changes I7a2dd830,I6ce43725,I5fc2f370,Ibc2e14bd,Idf213800, ...

* changes:
  fs_mgr_remount: support legacy devices (marlin)
  fs_mgr: remount: add -R argument
  fs_mgr: remount: add -T fstab argument
  fs_mgr: remount: log to stderr and logd
  fs_mgr: add remount command
  fs_mgr: overlayfs: test: add inRecovery check