le_audio: Add dual device source ASE only scenario am: 2f872257

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/18994748



Change-Id: I2ef2e2dc71d78def545a7cb2c58bc7c58e851ffc
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>