This applies https://github.com/google/googletest/pull/991.

BUG=129

Change-Id: I3df7e265652f2a337721634b5ba8adf76ff7d828
Reviewed-on: https://boringssl-review.googlesource.com/13233
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: Adam Langley <agl@google.com>

This applies https://github.com/google/googletest/pull/965.

BUG=129

Change-Id: Id5fda923b0d3c26e6e004dc292c8d2cbd3729b45
Reviewed-on: https://boringssl-review.googlesource.com/13230
Reviewed-by: David Benjamin <davidben@google.com>

Snapshotted from 5e7fd50e17 in the
upstream repository:
https://github.com/google/googletest

Since standalone builds and bots will need this, checking in a copy
rather than require everyone use gclient, repo, git submodules or scary
CMake scripts is probably simplest.

Consumers with their own copies of googletest will likely wish to ignore
or even exclude this directory.

BUG=129

Change-Id: If9f4cec5ae0d7a3976dcfffd1ead6950ef7b7c4e
Reviewed-on: https://boringssl-review.googlesource.com/13229
Reviewed-by: David Benjamin <davidben@google.com>

A METADATA file provides more structured information about included
third-party code.

Change-Id: I58b285ac2d73139e5b3843ba33d4d923b676afb7
Reviewed-on: https://boringssl-review.googlesource.com/11042
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>

BUG=26

Change-Id: I2f95740afdbc3bdb0676626679a30f1e1cc307d6
Reviewed-on: https://boringssl-review.googlesource.com/7984
Reviewed-by: Adam Langley <agl@google.com>