Migrate bluetooth imports to proto_logging

These enums are being migrated to proto_logging to decouple atoms.proto from statsd.

Bug: 167962588
Tag: #refactor
Test: gd/cert/run --host
Change-Id: I034d91894564010862b3bd0a4035e3e532a814b1
Merged-In: I034d91894564010862b3bd0a4035e3e532a814b1