Merge cherrypicks of ['googleplex-android-review.googlesource.com/23245979'] into tm-qpr3-release.

    Mutex::Autolock _l(mLock);

    ALOGW_IF(client->silenced, "startInput on silenced input for port %d, uid %d. Unsilencing.",

            portIdAidl,

            client->attributionSource.uid);

    if (client->active) {

        ALOGE("Client should never be active before startInput. Uid %d port %d",

                client->attributionSource.uid, portId);

        finishRecording(client->attributionSource, client->attributes.source);

        return binderStatusFromStatusT(INVALID_OPERATION);

    }

    // Force the possibly silenced client to be unsilenced since we just called

    // startRecording (i.e. we have assumed it is unsilenced).

    // At this point in time, the client is inactive, so no calls to appops are sent in

    // setAppState_l.

    // This ensures existing clients have the same behavior as new clients (starting unsilenced).

    // TODO(b/282076713)

    setAppState_l(client, APP_STATE_TOP);

    client->active = true;

    client->startTimeNs = systemTime();

    // This call updates the silenced state, and since we are active, appropriately notifies appops

    // if we silence the track.

    updateUidStates_l();

    status_t status;