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This CL checks if an ARC app is "sticky" and classifies it as a system
installed app if it is.

Fixed: 1010821, 1048874
Change-Id: I1c6fdf752a0437cf012a0051c01c4e1600f0353e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2038191
Commit-Queue: Jeevan Shikaram <jshikaram@chromium.org>
Reviewed-by: Nancy Wang <nancylingwang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#738466}