Merge "Reduce unnecessary overhead in CpuWakeupStats" into udc-dev am: fd8948a9

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23207090



Change-Id: I75a27f0944914f38dcf0655d6fa0ee9ca70da8b7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>