Merge "logd: format LogBufferElement and LogStatistics correctly" am: b17b6de551

Original change: https://android-review.googlesource.com/c/platform/system/core/+/1322875

Change-Id: I871b7dcbc38e911665a5df2565b2a2cb07c2a0e2
tree: 1ed0d9784ad2a5fcb301716c9ca73fb6ebb32a8e
  1. liblog/
  2. logcat/
  3. logd/
  4. logwrapper/