external/boringssl: Sync to 2d05568a7b7bc62affbd13ea97a81b5829b99794.

This includes the following changes:

https://boringssl.googlesource.com/boringssl/+log/2070f8ad9151dc8f3a73bffaa146b5e6937a583f..2d05568a7b7bc62affbd13ea97a81b5829b99794

Test: BoringSSL CTS Presubmits
Change-Id: Ib8174676671161667d54513df0f2dce7d70683ab
27 files changed