Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>

…lease status (#227)

Source-Author: Jeff Ching <chingor@google.com>
Source-Date: Wed Aug 26 21:48:06 2020 -0700
Source-Repo: googleapis/synthtool
Source-Sha: 019c7168faa0e56619f792693a8acdb30d6de19b
Source-Link: googleapis/synthtool@019c716

* feat: Use TopicStats to implement getSplitBacklog

We use the TopicStatsService to compute the backlog size for the
assigned splits in the PubsubLiteUnbounded Reader.

We will refresh backlog information every ten seconds, and will use
stale information for up to a minute if the topic stats serivce is
unavailable.

Constructing the TopicBacklogReader in SubscriberOptions is a bit
awkward, but I wanted to make sure we don't need to re-resolve the
subscription -> topic mapping when we split or merge the source.
Otherwise we end up with a hard dependency on the admin service.

* Code review changes

* Change logging api to test dependency

* Switch to google logger

* changes without context

        autosynth cannot find the source of changes triggered by earlier changes in this
        repository, or by version upgrades to tools such as linters.

* Add documentation and deprecate a field.

PiperOrigin-RevId: 330547201

Source-Author: Google APIs <noreply@google.com>
Source-Date: Tue Sep 8 11:13:26 2020 -0700
Source-Repo: googleapis/googleapis
Source-Sha: 8f5d456242fb0bdfc505e96e62e22c66aa6e97fd
Source-Link: googleapis/googleapis@8f5d456

autosynth cannot find the source of changes triggered by earlier changes in this
        repository, or by version upgrades to tools such as linters.

…t can be reused. (#249)

…m. (#252)

…ol tokens. (#253)

Seeking after sending tokens will discard any flow control tokens sent to the server. Also, update BufferingPullSubscriber to accept arbitrary initial seek requests.

…Settings (#254)

* Add an independent TopicBacklogReaderSettings

* Delete Example.java

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>