RootCanal: Implement HCI LE Request Peer SCA command

Required by the LE Audio in Android which performs the
command which checking the supported bit;
the stack crashes when it receives a Command Complete event
instead of Command Status

Bug: 286588829
Test: m root-canal
Change-Id: Iaecc31a9d1ab822796d6a2fb74a4be9af737ee1b