Merge "headless: Fix fcntl descriptor swap" am: 3c81f7da

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/2322158



Change-Id: I7c11a389e79b88dca11195866e3ab73760d4373c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>