Node.js uses EVP_PKEY_get0, which is present in OpenSSL but which
BoringSSL currently does not export. This CL adds an implementation
for it, which Electron is currently floating as a patch.
See
6a7eb32c5b
from Node.
Change-Id: I2474cacbd22882355a8037e2033739f7496b21f2
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/47824
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>