[automerge] DO NOT MERGE: SurfaceControl: Ensure unused fields are zeroed 2p: 34fe38b0c7

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/17562512

Bug: 214999987
Change-Id: Ib33af2badc44ebc952bf3977486578cbc87cedf4