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

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



Change-Id: Icf6f4f3839ed3c622342cd17f2ce8217d3f75375
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>