Merge "Remove trailing spaces from Handler.java" into main am: 45403682

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/3248063



Change-Id: I5405594ae08074c7ca75b162a6d15a97e93f5d1a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>