We currently ship two cubeb backends for Android: AudioTrack and OpenSL. OpenSL is supported on Android 2.3+ and AudioTrack is used as a fallback for older Android versions. Firefox for Android's minimum Android version is 4.1, so the AudioTrack is unused.
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We currently ship two cubeb backends for Android: AudioTrack and OpenSL. OpenSL is supported on Android 2.3+ and AudioTrack is used as a fallback for older Android versions. Firefox for Android's minimum Android version is 4.1, so the AudioTrack backend has been unused for some time.