Merge "Add systrace tag for system property" into rvc-dev-plus-aosp am: baaf7f85 am: 21e09283

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12406766

Change-Id: I31efbcb05cd5e748c0bf2653c86a6710cd38276c