deps: roll dsymutil

The new version was built from LLVM revision
e0dd8f36ce49f47099e56e317207de5304a1ccbb, and has a fix for
crbug.com/1019517.

I tested that the new dsymutil works by locally building tls_edit with a
new version of clang and this dsymutil version on Mac.

R=ellyjones@chromium.org, thakis@chromium.org

Bug: 1019517
Change-Id: If3e787b438fd55c327205568a94660114ae8319f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1904090Reviewed-by: Nico Weber <thakis@chromium.org>
Reviewed-by: Elly Fong-Jones <ellyjones@chromium.org>
Commit-Queue: Reid Kleckner <rnk@chromium.org>
Cr-Commit-Position: refs/heads/master@{#713550}

DEPS

@@ -428,7 +428,7 @@ deps = {
     'packages': [
       {
         'package': 'chromium/llvm-build-tools/dsymutil',
-        'version': 'OWlhXkmj18li3yhJk59Kmjbc5KdgLh56TwCd1qBdzlIC',
+        'version': 'M56jPzDv1620Rnm__jTMYS62Zi8rxHVq7yw0qeBFEgkC',
       }
     ],
     'condition': 'checkout_mac',