[automerger skipped] Merge "SurfaceControl: Add setDropInputMode api" into sc-v2-dev am: a46f3d7bfb -s ours am: 2f216cef0e -s ours

am skip reason: Merged-In I443741d5ab51a45d37fb865f11c433c436d96c1e with SHA-1 4f2ea10357 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/15759270

Change-Id: Iccf7af84051ec30e05da87baa7335ee68ac20b52