leaudio: Fix creating stream for group when 1 device has 0 ases am: 9b6973a7

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/2714354



Change-Id: Ie87371a9e24719fb658f2f0c70d8fb14401fdd19
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>