Merge "Remove libstatsmetadata" into rvc-dev am: 2bbfa23bf1 am: d6ddca78ba am: 2e5c0a2f43 am: 6111b5bea1

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11923902

Change-Id: I1f20c85b12030db1cd143952d681776e633287b6
tree: 9b66f22e1eb2f80db33899839cdfdc50c2666c15
  1. stats/