Merge "Remove libstatsmetadata" into rvc-dev am: 2bbfa23bf1 am: 55f3ec8e69

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

Change-Id: I848ee487a73eb5657ce43cf5ad8109759482897b
tree: 02370b92e495b8cf7f54bedc8731909201aa7093
  1. stats/