deps: update core dependencies

[renovate-bot]

This PR contains the following updates:

Package	Update	Change
com.google.guava:guava-bom	minor	28.1-android -> 28.2-android
io.grpc:grpc-bom	minor	1.26.0 -> 1.27.0
com.google.api:gax-bom	minor	1.52.0 -> 1.53.0
com.google.api:gax-grpc	minor	1.52.0 -> 1.53.0

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Release Notes

grpc/grpc-java

v1.27.0

Compare Source

googleapis/gax-java

v1.53.0

Compare Source

01-09-2020 10:51 PST

New Features

• feat: enhancement for Batcher api to address bulk read (#​833)
• feat: implemented watchdog as BackgroundResource (#​838)
• Create a executorService with a separate pool of threads for channelpool (#​836)

Bug Fixes

• fix: allows retries when setting maxAttempts without setting TotalTimeout (#​835)

Implementation Changes

• bazel: Replace native maven_jar rule with jvm_maven_import_external (#​837)
• cleanup(batcher): removing the non-applicable TODOs comments (#​834)

Dependencies

• Update dependency org.easymock:easymock to v4.1 (#​821)
• Update dependency com.google.auto.value:auto-value to v1.7 (#​806)

Internal / Testing Changes

• Bump next snapshot (#​840)

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[codecov]

Codecov Report

Merging #46 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master      #46   +/-   ##
=========================================
  Coverage     69.16%   69.16%           
  Complexity       42       42           
=========================================
  Files             6        6           
  Lines           253      253           
  Branches          1        1           
=========================================
  Hits            175      175           
  Misses           77       77           
  Partials          1        1

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