Update Breakpad to 1fc9cc0d0e1dfafb8d29dba8d01f09587d870026

1fc9cc0d0e1dfafb8d29dba8d01f09587d870026 [Breakpad iOS] Add a callback on report upload completion.
8c70c504b241f918e41f28a3102f5ca03475082b Make breakpad_unittests work with Chrome's test runner instead of gtest's
ebab5970b027c8c41eccf67a83883b4bfb736505 Use correct c++ standard library in Xcode project.

Bug: 954175,949098
Change-Id: Ifdc99129956e08dda9feaf8cc7e51fc90ac8184b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1581343
Auto-Submit: Olivier Robin <olivierrobin@chromium.org>
Commit-Queue: Mark Mentovai <mark@chromium.org>
Reviewed-by: Mark Mentovai <mark@chromium.org>
Cr-Commit-Position: refs/heads/master@{#653555}