[Files app] Linearized call to getVolumeMetadataList()

Change-Id: Ide11df69ef393bbf6e09f4790a147898cb8976b0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1623605
Auto-Submit: François Degros <fdegros@chromium.org>
Commit-Queue: Luciano Pacheco <lucmult@chromium.org>
Reviewed-by: Luciano Pacheco <lucmult@chromium.org>
Cr-Commit-Position: refs/heads/master@{#662010}
1 file changed