The Lollipop update for the T-Mobile HTC One (M8) is now available for download. The Android 5.0 update was originally scheduled to launch yesterday, but it seems like someone at T-Mobile forgot to flip the switch. The 4.20.531.4 software build for the T-Mobile HTC One (M8) weighs in at 632.7MB and includes all the new Android Lollipop…