Change-Id: Id4c00159f984976b6d8641900fb64e36a3a30407
Change-Id: Id2c6f32ade2fec9b9ef91bd8c5e1fd195f2d7351
Change-Id: I01b49e047a586dff449d4e134751108e391a8822
The current protocol was card-emulation specific. The new protocol is generic/flexible enough to accommodate both tracing and card emulation, as well as modem control and other future extensions.