Merge "external/boringssl: Sync to 3743aafdacff2f7b083615a043a37101f740fa53." am: 28e460f29b am: a351ce5557 am: 48b37181ab

Original change: https://android-review.googlesource.com/c/platform/external/boringssl/+/1434155

Change-Id: Ia0c249adbdd7cef12e2b9ffae5b5358e591662d8