Merge "Remove libstatsmetadata" into rvc-dev am: 2bbfa23bf1 am: 55f3ec8e69 am: de5e0335fd

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

Change-Id: I5c42ac845f8c8ca51b2f70543ef77ed564fe91a2
tree: 02370b92e495b8cf7f54bedc8731909201aa7093
  1. stats/