Warning rather than fatal log for unexpected track state

                    // because we're about to decrement the last sp<> on those tracks.

                    block = FastMixerStateQueue::BLOCK_UNTIL_ACKED;

                } else {

                    LOG_ALWAYS_FATAL("fast track %d should have been active; "

                    // ALOGW rather than LOG_ALWAYS_FATAL because it seems there are cases where an

                    // AudioTrack may start (which may not be with a start() but with a write()

                    // after underrun) and immediately paused or released.  In that case the

                    // FastTrack state hasn't had time to update.

                    // TODO Remove the ALOGW when this theory is confirmed.

                    ALOGW("fast track %d should have been active; "

                            "mState=%d, mTrackMask=%#x, recentUnderruns=%u, isShared=%d",

                            j, track->mState, state->mTrackMask, recentUnderruns,

                            track->sharedBuffer() != 0);

                    // Since the FastMixer state already has the track inactive, do nothing here.

                }

                tracksToRemove->add(track);

                // Avoids a misleading display in dumpsys