Merge "rusty-packets: generate sample enums and make this work end to end" am:...

Merge "rusty-packets: generate sample enums and make this work end to end" am: 9e87c2fd am: 4d485c30

Original change: https://android-review.googlesource.com/c/platform/system/bt/+/1506848

Change-Id: I49e9856b2817b1e96c6e00d30d3948e1f8de20d0