Expose LE advertiser address for easier PTS tests (3/6)

This patchset adds a hidden method getOwnAddress, that lets app with
BLUETOOTH_PRIVILEGED permission to lear their own addreess. This is done
exclusively for PTS tests.

Bug: 35147497
Test: manual
Change-Id: I39a6395d589d0ea801fd771bf3313ed6212a6349
1 file changed