Android 8 (Oreo)

Andoid 8 comes with more codecs for Bluetooth.
Beside the standard SBC codec, AAC, aptX, aptX HD en LDAC are included.
Of course you need an aptX or LDAC enabled headphone to use them.


According to Robert Triggs:

 

 

In Developers mode, one can choose which codec to use.

 

 

Other options are:

 

 

Of course the sink (the receiver) must support these options as well.

References

How Oreo is better than Nougat: Audio - Robert Triggs

Android O Introduces Bluetooth Audio Codec Options in Developer Options - Mishaal Rahman