external/boringssl: Sync to 80aa6949756d327476750f9ea2c9700aa2a027c5.

This includes the following changes:

https://boringssl.googlesource.com/boringssl/+log/2d98d49cf712ca7dc6f4b23b9c5f5542385d8dbe..80aa6949756d327476750f9ea2c9700aa2a027c5

Test: BoringSSL CTS Presubmits
Change-Id: I065541ad98c960c3842903637d084c6ba5078ebf
3 files changed