Merge "floss: Add rerun-if-changed cargo instruction when using bt_packetgen" am: 2f133d32

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/2234214



Change-Id: I147c34bf5a1af5a2931f08b2aef52e562a354382
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>