Merge "floss: Add sysprops handler and set default values" am: 37675235

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/2093867



Change-Id: I0ed78a6258fe2c91543ed1b7a7d8d51234297bc4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>