chore(deps): update gax.version to v1.50.1

[renovate-bot]

This PR contains the following updates:

Package	Update	Change
com.google.api:gax-bom (source)	minor	1.49.0 -> 1.50.1
com.google.api:gax-grpc (source)	minor	1.49.0 -> 1.50.1

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Release Notes

googleapis/gax-java

v1.50.1

Compare Source

11-07-2019 10:59 PST

Dependencies

• deps: upgrade grpc to 1.25.0 (#​816)

Internal / Testing Changes

• Bump next snapshot (#​815)

v1.50.0

Compare Source

11-06-2019 07:29 PST

New Features

• Track number of failure in batching when Batcher#close is called (#​800)

Dependencies

• Update error_prone (#​813)
• deps: update protobuf to 3.10.0, grpc to 1.24.1 (#​809)

Internal / Testing Changes

• Bump next snapshot (#​808)

v1.49.1

Compare Source

10-21-2019 08:14 PDT

Implementation Changes

• Fix InstantiatingGrpcChannelProvider's channel pool to play nicely with DirectPath (#​798)

Dependencies

• Update google-auth-library to 0.18.0 (#​801)

Internal / Testing Changes

• Fix Bazel 1.0.0 incompatibility issue. (#​803)
• update travis to trusty (#​799)
• Bump next snapshot (#​797)

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[codecov]

Codecov Report

Merging #5 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master       #5   +/-   ##
=========================================
  Coverage     72.85%   72.85%           
  Complexity      913      913           
=========================================
  Files            84       84           
  Lines          7330     7330           
  Branches         89       89           
=========================================
  Hits           5340     5340           
  Misses         1863     1863           
  Partials        127      127

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