AudioService: fix regression on hearing aid profile

Fix regression introduced by Commit 3fe5af48 where the
hearing aid profile is not stored in BtHelper.

Bug: 211530990
Test: make
Merged-In: Ie3f8757f5fec78df2da028791e9ba2ebb5833675
Change-Id: Ie3f8757f5fec78df2da028791e9ba2ebb5833675
1 file changed