floss: Re-enable ReadFailedContactCounter

The issue has been fixed in FW, thus removing this

Bug: 249876976
Tag: #floss
Test: mmm packages/modules/Bluetooth
Test: Play audio on Brya (AX211), move the headset far to trigger buffer
      overflow, Floss doesn't crash
Flag: EXEMPT, Floss-only change
Change-Id: I955d55d49e48a757ca7d002ff74947acef13048c