Revert "Screen orientation is changed, the bluetooth searching is stopped."

This reverts commit 860b8a9a64bcdf71b24c3f2dfad70202d673e91d.
Handle cancellation of the 'enabling PrivacyGuard' alert box.

I noticed that the option could remain ticked but not actually enabled
if the alert box is cancelled.

Change-Id: If9a4e88641a5e4283d6ea16c17ca4461841580e3