control: Enhance handling exceptions restoring `Current` mode property

Enhance the log message when an exception is thrown while attempting to
restore the `Current` mode property and include possible error code from
removing the file containing the persisted `Current` mode property
value instead of having a possible exception thrown.

Change-Id: I1306a6b8a07f9294fb5815f1e17e2e0fb1b21432
Signed-off-by: Matthew Barth <msbarth@us.ibm.com>
1 file changed