[Nearby] Uprev SecureMessage

Regression checklist: https://docs.google.com/spreadsheets/d/1RnMjwDc4KkvxIY9fbjCJnborlawdlJOVfBJWejl6DZM/edit#gid=486249825

Fixed: 1102458
Change-Id: I94f17817b56a3c435cd5561f275441a677a591d7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2638974Reviewed-by: James Vecore <vecore@google.com>
Commit-Queue: Shane Fitzpatrick <shanefitz@google.com>
Cr-Commit-Position: refs/heads/master@{#845363}

DEPS

@@ -350,7 +350,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling securemessage
   # and whatever else without interference from each other.
-  'securemessage_revision': 'f1637ffadae5638e37d6a97f97d90eb3d9e3f841',
+  'securemessage_revision': 'fa07beb12babc3b25e0c5b1f38c16aa8cb6b8f84',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling ukey2
   # and whatever else without interference from each other.

third_party/securemessage/README.chromium

 Name: Secure Message
 Short Name: Secure Message
 URL: https://github.com/google/securemessage
-Version: f1637ffadae5638e37d6a97f97d90eb3d9e3f841
+Version: fa07beb12babc3b25e0c5b1f38c16aa8cb6b8f84
 License: Apache 2.0
 License File: LICENSE
 Security Critical: yes