chore(deps): update gax.version to v1.49.1

[renovate-bot]

This PR contains the following updates:

Package	Update	Change
com.google.api:gax-bom (source)	patch	1.49.0 -> 1.49.1
com.google.api:gax-grpc (source)	patch	1.49.0 -> 1.49.1

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Release Notes

googleapis/gax-java

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 Report

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@@            Coverage Diff            @@
##             master       #5   +/-   ##
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  Coverage          ?   72.76%           
  Complexity        ?      334           
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  Files             ?       30           
  Lines             ?     2710           
  Branches          ?       38           
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  Hits              ?     1972           
  Misses            ?      691           
  Partials          ?       47

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