[wasm] Change owners of wasm_trap_handler_browsertest.cc

eholk left the team.

NOTRY=true
NOPRESUBMIT=true
NOTREECHECKS=true

R=adamk@chromium.org

Change-Id: Icef00e5fe48a66388fdb891014c204ad494ea3bc
Reviewed-on: https://chromium-review.googlesource.com/c/1331470Reviewed-by: Adam Klein <adamk@chromium.org>
Commit-Queue: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/master@{#607526}

chrome/test/v8/OWNERS

-eholk@chromium.org
+adamk@chromium.org
+ahaas@chromium.org
+titzer@chromium.org