Improve updateInputFlinger performance am: 82f3463d44

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/24592967

Change-Id: I38aac15aa8275ed911825bb44f0a196b4cda257b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>