Revert "Improve updateInputFlinger performance" am: a8ce8fc1d8

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/24611291

Change-Id: Icaa8402925f9e1a5fa884f16f89c4ddf50c25c2c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>