leaudio: If TA reconnection policy is enabled, autoconnect is always on

With this patch, autoconnect flag is always enabled when TA is enabled.
Thanks to that, LE HS will be always available to reconnect

Bug: 277557618
Test: atest BluetoothInstrumentationTests
Test: manual
Tag: #feature

Change-Id: I85af7a6998f8fdf0161ed51750454bd8a91b2da3