tree aca7fea84bd048622db44e35a5eb0f3bf48152e4
parent 7a29c11a4a40668390bc5a644155b580394dac61
author Tom Cherry <tomcherry@google.com> 1566594252 -0700
committer Tom Cherry <tomcherry@google.com> 1566874232 -0700

liblog: only allow one transport for reading

liblog has left over code from local_logger that allows for reading
from multiple sources and merging the contents.  Since we've already
removed local_logger, this change removes the rest of this code.

Test: liblog-unit-tests
Change-Id: I5685ad6c1e7cbcaa0a660ed10f47714784a40791