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This CL converts ServiceManagerListener{Ptr, Request} and
ServiceManagerPtr and port depending files to adapt to new
mojo types.

Bug: 955171, 978694
Change-Id: Ic3cda1b527d3f164caf717c982dbb04b09595c48
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1865218
Commit-Queue: Abhijeet Kandalkar <abhijeet@igalia.com>
Reviewed-by: Ken Rockot <rockot@google.com>
Reviewed-by: Avi Drissman <avi@chromium.org>
Reviewed-by: Daniel Cheng <dcheng@chromium.org>
Cr-Commit-Position: refs/heads/master@{#707782}