[automerger skipped] InputFlinger: Add DROP_INPUT feature flags am: 212dcf44f6 am: 7fc62b023f -s ours am: fd2ffb5a73 -s ours

am skip reason: Merged-In I71d7cf5064c8ce4626cff09b92e15ca38b39cbbe with SHA-1 41f77b8f06 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/16740115

Change-Id: Ia515eadd7632c58657c3a6d9bfdaf21b852794b8