Merge "external/boringssl: Sync to 66e61c577d39e757bf491468f651461fa79fd5e1." am: 1c2a2d7ad5

Original change: https://android-review.googlesource.com/c/platform/external/boringssl/+/1843323

Change-Id: I8c13483564e1b0b8af8c940ba76fbbf8839b1bd7