Merge "Remove throttle logcat for bluetooth" into nyc-dev

                            uint32_t diff = mThreadThrottleTimeMs - mThreadThrottleEndMs;

                            if (diff > 0) {

                                // notify of throttle end on debug log

                                ALOGD("mixer(%p) throttle end: throttle time(%u)", this, diff);

                                // but prevent spamming for bluetooth

                                ALOGD_IF(!audio_is_a2dp_out_device(outDevice()),

                                        "mixer(%p) throttle end: throttle time(%u)", this, diff);

                                mThreadThrottleEndMs = mThreadThrottleTimeMs;

                            }

                        }