chameleon/ui: Added Set EDID buttons

Added Set EDID Buttons for every Port and on click there will be
an overlay modal which opens and will have 4 radio EDID options
to select and one Custom text entry to enter Custom EDID.
Modal also have a save and cancel button.

BUG=b:273743724
TEST=Initial Home screen: https://screenshot.googleplex.com/7ohB4gEQusr4K65
On Click of Set EDID it will open modal: https://screenshot.googleplex.com/Ar4TtBfpJgAeeia
Modal with custom EDID entry: https://screenshot.googleplex.com/7yZUrsgRwbyxpDs

Change-Id: Ibbabc1fbc7d2b80be66387e486bd59beab7b0af5
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/dev-util/+/4342109
Tested-by: Kenil Limbani <kenil@google.com>
Commit-Queue: Kenil Limbani <kenil@google.com>
Reviewed-by: Mark Yacoub <markyacoub@google.com>
6 files changed