Add metadata for remote Bond loss status

- Added metadata set/get changes for key#35 dedicated for bond_lost_status.

Bug: 394650229
Change-Id: I865ea3cf9da810f1a89dee7a44bd909818e91b6e
Flag: EXEMPT adding metadata
Test: m com.android.btservices
Test: m statsd_testdrive
Test: m statsd_testdrive -terse 390