Merge "Add logd.ready" am: 2b2e39cae1

Original change: https://android-review.googlesource.com/c/platform/system/logging/+/1895848

Change-Id: I6596a1fae6dfbf6a3f603baede217f2fa9392014
tree: bfdb66ca53a8c56d75c76eb248233cce0999a68a
  1. liblog/
  2. logcat/
  3. logd/
  4. logwrapper/
  5. rust/
  6. OWNERS
  7. PREUPLOAD.cfg
  8. TEST_MAPPING