external/boringssl: Sync to faa539f877432814d0f2de19846eb99f2ea1e207.

This includes the following changes:

https://boringssl.googlesource.com/boringssl/+log/bbfe603519bc54fbc4c8dd87efe1ed385df550b4..faa539f877432814d0f2de19846eb99f2ea1e207

Test: BoringSSL CTS Presubmits
Change-Id: I3ea66c6a16d30b31f9a51e8154fa581a7d386918
92 files changed