BluetoothProfileConnectionInfo: javadoc update for LE factory methods

Update the javadoc of createLeAudioInfo and createLeAudioOutputInfo
to clarify when one is to be used over the other.

Bug: 243514151
Test: javadoc
Change-Id: Ice8bb4ff69c5ba53edb2a0bc9459f2b77cc67ebb
Merged-In: Ice8bb4ff69c5ba53edb2a0bc9459f2b77cc67ebb