Updating API sha for proxy.

[utka]

No description provided.

[duderino]

Sha looks good. Ignoring the non-required tsan failure. Looks like all the tests pass but there's some cleanup issue:

Executed 0 out of 41 tests: 41 tests pass.
There were tests whose specified size is too big. Use the --test_verbose_timeout_warnings command line option to see which ones these are.
INFO: Build completed successfully, 6 total actions
WARNING: The following rc files are no longer being read, please transfer their contents or import their path into one of the standard rc files:
/home/circleci/project/tools/bazel.rc
INFO: Invocation ID: 1bc0f771-1d67-45ce-8b4d-46c16aa7f826
WARNING: Waiting for server process to terminate (waited 5 seconds, waiting at most 60)
WARNING: Waiting for server process to terminate (waited 10 seconds, waiting at most 60)
WARNING: Waiting for server process to terminate (waited 30 seconds, waiting at most 60)
INFO: Waited 60 seconds for server process (pid=131) to terminate.
WARNING: Waiting for server process to terminate (waited 5 seconds, waiting at most 10)
WARNING: Waiting for server process to terminate (waited 10 seconds, waiting at most 10)
INFO: Waited 10 seconds for server process (pid=131) to terminate.
FATAL: Attempted to kill stale server process (pid=131) using SIGKILL, but it did not die in a timely fashion.
Makefile:58: recipe for target 'test_tsan' failed
make: *** [test_tsan] Error 36
Exited with code 2

/lgtm

[istio-testing]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: duderino, utka

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