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

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

Change-Id: I7a91cc3597520aa265d90a774879ea3596ab9c0f
tree: 02370b92e495b8cf7f54bedc8731909201aa7093
  1. stats/