external/boringssl: Sync to ef839bf397fb4ecdb66ef2679a08ac7b3563c50b. am: d19541d3c7

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/boringssl/+/32943738

Change-Id: I38ad388326b17f8addd94b2a535bcf5eb73227b5
Signed-off-by: Automerger Merge Worker <[email protected]>