Merge "le_audio: Fix possible null reference access" am: 604655f6 am: 0b4e1039 am: af5b7ca1

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/2051121



Change-Id: I9b637e4ec16b5c4d4cdf8d64e6805b208a2811b7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>