Call ReportProcessLaunchAttempted when launching a mojo-connected sandbox

R=csharp@chromium.org

Bug: 830892
Change-Id: I13ef01f4194bc747b4c9ea28537a188aa9315c49
Reviewed-on: https://chromium-review.googlesource.com/c/1336067
Commit-Queue: Joe Mason <joenotcharles@google.com>
Reviewed-by: Chris Sharp <csharp@chromium.org>
Cr-Commit-Position: refs/heads/master@{#608418}
2 files changed