Revert "Disable "OEM unlocking" in developer options"

This reverts commit 616404d6a1ab042c806249765ff5513122ec310c.

Or lock state must be FLASH_LOCK_UNKNOWN in accordance with Android CDD
9.10. Device Integrity. But setting it to unlocked, our Google Play
will report our device as not certified / insecure.

Issue: FP2P-551
Change-Id: Ic320097ba587096e146268a4ad8e6e0351425bc7
1 file changed