Roll BoringSSL.

2683af7 Fix typo and ASN.1 tag number range comment in bytestring.h.
a84f06f Move free from cbb_init() to only CBB_init().
d660b57 runner: Refactor handshake fragmenting slightly.
79ae85e Remove NETSCAPE_HANG_BUG.
e33b9b0 Remove dtls1_timeout_st.
83f9040 Add DTLS timeout and retransmit tests.
d9b091b Revert "Drop retransmits in DTLS tests."
377fc31 Document DTLS timeout API and add current_time_cb hook.
868c7ef Don't assume alignment of ChaCha key on ARM.
64b17cc Fix patch collision of d062c8af and 2b2d66d4.
23343e4 Fix AES-256 NIDs.
d062c8a Probe for NEON support if getauxval is missing.
2b2d66d Remove string.h from base.h.
efed221 Enable more warnings & treat warnings as errors on Windows.
0bb81fc Fix misleading comment.
ab21891 Add a script to generate the ChaCha ARM asm.

BUG=454308

Review URL: https://codereview.chromium.org/871373017

Cr-Commit-Position: refs/heads/master@{#314404}

DEPS

@@ -74,7 +74,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling BoringSSL
   # and whatever else without interference from each other.
-  'boringssl_revision': 'be629e0e920ae32cca691f5e45410ff00db1a849',
+  'boringssl_revision': '8f5e2ebcee628ef02add9b21955402b0c6256624',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling nss
   # and whatever else without interference from each other.

third_party/boringssl/boringssl.gypi

@@ -331,6 +331,7 @@
       'linux-arm/crypto/sha/sha256-armv4.S',
       'linux-arm/crypto/sha/sha512-armv4.S',
       'src/crypto/chacha/chacha_vec_arm.S',
+      'src/crypto/cpu-arm-asm.S',
       'src/crypto/poly1305/poly1305_arm_asm.S',
     ],
     'boringssl_linux_x86_sources': [

third_party/boringssl/update_gypi_and_asm.py

@@ -29,6 +29,7 @@ NON_PERL_FILES = {
     ('linux', 'arm'): [
         'src/crypto/poly1305/poly1305_arm_asm.S',
         'src/crypto/chacha/chacha_vec_arm.S',
+        'src/crypto/cpu-arm-asm.S',
     ],
 }