Merge "NuPlayer::GenericSource::onPrepareAsync():Change lock order mLock and mDisconnect lock order interleaving, which has potential risk of deadlock if other code locks/unlocks them in a different order." into qt-dev am: c6ad7d7628 am: 1d2eb44eef
am: 5f3ca1c949

Change-Id: Ia050d58b5b93a6375b0b17a1000d245789ec8cf6