Merge "logcat: use stdio for free buffering." am: d07c55b6f7 am: 62a4946b53 am: d005ee945a

Original change: https://android-review.googlesource.com/c/platform/system/logging/+/1894740

Change-Id: I938165b8a9b4fc42a85b0e0ff63bb495bd1bd0a4
tree: a359afd7d67e17192ea93aa8390acd3614c8d572
  1. liblog/
  2. logcat/
  3. logd/
  4. logwrapper/
  5. rust/
  6. OWNERS
  7. PREUPLOAD.cfg
  8. TEST_MAPPING