arc-bridge: Fix deps in chrome/browser/ui/app_list/arc
arc-bridge: Fix deps in chrome/browser/ui/app_list/arc

It turns out that we were under-specifying the dependencies in that
directory, so if the .mojom files in components/arc/common change, this
might trigger a compilation error.

BUG=None
TEST=ninja -C out/Release -t commands \
     obj/chrome/browser/ui/app_list/arc/browser_ui.arc_app_item.o | \
     grep mojom_bindings_generator.*arc/common

Review URL: https://codereview.chromium.org/1580183002

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#371812}

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