external/boringssl: Sync to bbfe603519bc54fbc4c8dd87efe1ed385df550b4.

This includes the following changes:

https://boringssl.googlesource.com/boringssl/+log/2d05568a7b7bc62affbd13ea97a81b5829b99794..bbfe603519bc54fbc4c8dd87efe1ed385df550b4

Test: BoringSSL CTS Presubmits.
Change-Id: I78ec99cd34bebca1f864e4daaaedeec6bc1db3f0
diff --git a/src/crypto/CMakeLists.txt b/src/crypto/CMakeLists.txt
index 81efad4..3728e6f 100644
--- a/src/crypto/CMakeLists.txt
+++ b/src/crypto/CMakeLists.txt
@@ -177,17 +177,6 @@
 endif()
 
 add_executable(
-  constant_time_test
-
-  constant_time_test.cc
-
-  $<TARGET_OBJECTS:test_support>
-)
-
-target_link_libraries(constant_time_test crypto)
-add_dependencies(all_tests constant_time_test)
-
-add_executable(
   thread_test
 
   thread_test.c
@@ -212,7 +201,9 @@
   crypto_test
 
   asn1/asn1_test.cc
+  bio/bio_test.cc
   chacha/chacha_test.cc
+  constant_time_test.cc
   curve25519/x25519_test.cc
   dh/dh_test.cc
   dsa/dsa_test.cc
@@ -226,4 +217,7 @@
 )
 
 target_link_libraries(crypto_test crypto gtest)
+if (WIN32)
+  target_link_libraries(crypto_test ws2_32)
+endif()
 add_dependencies(all_tests crypto_test)