tree 8545a104b7d9bcd3d324b5b07727e834ba0cec43
parent 5e4ff8261107f3ba99d15b9d0dbe7beff4a37391
author Zach Johnson <zachoverflow@google.com> 1587317227 -0700
committer Zach Johnson <zachoverflow@google.com> 1587411502 -0700

Add ContextualCallback and start using for hci events

Bound to a handler similar to ContextualOnceCallback,
but can be invoked multiple times.

Test: cert/run --host
Test: fuzz/run --host bluetooth_gd_hci_layer_fuzz_test
Change-Id: I980a3c2851721ba0d6d0f7538dccad64998ac720