am 9c21500a: (-s ours) am 34203188: (-s ours) am 37e3f144: (-s ours) am fee7c3af: (-s ours) DO NOT MERGE ANYWHERE. Update prebuilt SDK to LMY42

* commit '9c21500a256593963f4222857543a065c827e975':
  DO NOT MERGE ANYWHERE. Update prebuilt SDK to LMY42