Merge "Check the return value when posting messages to the advertise thread."...

Merge "Check the return value when posting messages to the advertise thread." into main am: 10696b63

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/3470344



Change-Id: I1ac27a951f478fd5e8a371a5ba2e43f5097cce0c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>