logd: add tests for tail readers

Add tests for blocking/non-blocking tail readers where there
are/aren't enough messages in the buffer to satisfy the request.

Bug: 173214581
Test: these tests
Change-Id: Idfc61028fd3399badeb3790ea3997815ad9431fe
2 files changed
tree: e7e902e0fe83ef4d28ccb9f41371cb41815d9364
  1. OWNERS
  2. PREUPLOAD.cfg
  3. TEST_MAPPING
  4. liblog/
  5. logcat/
  6. logd/
  7. logwrapper/