Merge "floss: Track freshness of found devices" am: a101d268 am: e969e456 am: f0a27f2f am: e1f94506 am: d3e2644c am: 79b8eed5

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/2066598



Change-Id: Ia0fd2d2b69bc913a42b2074795c5a5cf46cce088
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>