Roll src/third_party/boringssl/src 35a5a9e7b..2e0d35469

https://boringssl.googlesource.com/boringssl/+log/35a5a9e7beddb9cec70d7bc1b70a6ac441093f87..2e0d354690064c90ee245c715b92e2bb32492571

This picks up the AMD workaround and the 0-RTT change to help with
measurement.

Bug: none
Change-Id: I89972affc3532a7acd70c90d588d13b94ccef275
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1627940
Commit-Queue: David Benjamin <davidben@chromium.org>
Commit-Queue: Adam Langley <agl@chromium.org>
Auto-Submit: David Benjamin <davidben@chromium.org>
Reviewed-by: Adam Langley <agl@chromium.org>
Cr-Commit-Position: refs/heads/master@{#662842}

DEPS

@@ -165,7 +165,7 @@ vars = {
   #
   # Note this revision should be updated with
   # third_party/boringssl/roll_boringssl.py, not roll-dep.
-  'boringssl_revision': '35a5a9e7beddb9cec70d7bc1b70a6ac441093f87',
+  'boringssl_revision': '2e0d354690064c90ee245c715b92e2bb32492571',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling google-toolbox-for-mac
   # and whatever else without interference from each other.