chore(deps): update gax.version to v1.50.0

[renovate-bot]

This PR contains the following updates:

Package	Update	Change
com.google.api:gax-bom (source)	minor	1.49.1 -> 1.50.0
com.google.api:gax-grpc (source)	minor	1.49.1 -> 1.50.0

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Release Notes

googleapis/gax-java

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)

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[codecov]

Codecov Report

Merging #7 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master       #7   +/-   ##
=========================================
  Coverage     72.61%   72.61%           
  Complexity      220      220           
=========================================
  Files            19       19           
  Lines          1669     1669           
  Branches         26       26           
=========================================
  Hits           1212     1212           
  Misses          421      421           
  Partials         36       36

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