Properly reset field / listen mode flags in SE object.

On NFC disable, the SE object is "finalized" but not
destroyed. It is reused on the next NFC enable, but
the listen mode / field status flags were not cleared
then.

Bug: 8574917
Bug: 8489820
Change-Id: I8e11c60eda47762404a5d5020a0c2e6ff95ead2a