DevTools: let remote devices list scroll

Screenshot: https://imgur.com/a/kIvytFo

Bug: 919403
Change-Id: I792ff24fd49328c815c05e16bd950c018bb49926
Reviewed-on: https://chromium-review.googlesource.com/c/1399050
Commit-Queue: Erik Luo <luoe@chromium.org>
Reviewed-by: Joel Einbinder <einbinder@chromium.org>
Cr-Commit-Position: refs/heads/master@{#622195}
1 file changed