Merge "floss: improve accuracy of |is_pairing_busy|" into main am: 3c7523a4

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/3103159



Change-Id: I51c0174b092297b281b767524ea0c16a89698b1c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>