Merge "Remove libstatsmetadata" into rvc-dev am: 271cbbd708 am: 5c5e239026 am: 0269d364dc

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

Change-Id: I179cc6b2145254c921489fae5b646bb7eb5c2bfa
tree: a68e57676648ac519f875f92aa698e108e14450a
  1. stats/