Merge "[UWB HAL] Use AsyncFd to read the buffer only when it's readable." into main am: 4e3c5aca14 am: 625d52ae10 am: 7235328a66 am: 8975814bda am: 249b66bcc8

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2766185

Change-Id: Id8eb5edea74a6fcca2d05c39302020c00ba1f0a4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>