chore: release 0.19.0

[release-please]

🤖 I have created a release *beep* *boop*

0.19.0 (2020-02-03)

⚠ BREAKING CHANGES

• remove ScalingPolicyService, AllocationPolicyService, regenerate v1alpha client (feat!: remove ScalingPolicyService, AllocationPolicyService, regenerate v1alpha client #46)

Features

• remove ScalingPolicyService, AllocationPolicyService, regenerate v1alpha client (#46) (81afe64)

Dependencies

• update core dependencies to v1.53.0 (#42) (67aa2d7)
• update core dependencies to v1.53.1 (#50) (c62108b)
• update dependency com.google.guava:guava-bom to v28.2-android (#35) (abbaa90)
• update dependency io.grpc:grpc-bom to v1.27.0 (#47) (ed3dc9e)
• update dependency org.threeten:threetenbp to v1.4.1 (5cd7ecf)

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This PR was generated with Release Please.

[codecov]

Codecov Report

Merging #48 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master      #48   +/-   ##
=========================================
  Coverage     74.22%   74.22%           
  Complexity      188      188           
=========================================
  Files            18       18           
  Lines          1878     1878           
  Branches          6        6           
=========================================
  Hits           1394     1394           
  Misses          478      478           
  Partials          6        6

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