HearingAid: Try whitelist connect if only one side connection timeout

For HearingAid connection timeout case, if the peer HearingAid device is
connected, will add the connection timeout device into whitelist
connection.

Bug: 129452236
Test: 1.Manual testing with Hearing Aids

Change-Id: Iccad67fd66ce60a9986fea632051fd7caaa82544
5 files changed