GitLab

Add an option to inspect system wide profiling (as opposed to profiling
one app and one activity).

Bug: None
Change-Id: I4c1b5e98494216f3912932d141db9ae4a3433d49
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2037023
Commit-Queue: Changwan Ryu <changwan@chromium.org>
Reviewed-by: Oksana Zhuravlova <oksamyt@chromium.org>
Cr-Commit-Position: refs/heads/master@{#738589}