resources: implement Debug for AddressRange
resources: implement Debug for AddressRange

Manually implement Debug for AddressRange so that it gives the same
formatted output as Display.

BUG=None
TEST=compiles

Change-Id: I0d76c9aeea3c0eaac2b1c315017a14fd09d8bcd7
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/3737404
Commit-Queue: David Stevens <2f87ba95ff5d327328bd68c2e86a4d9f2ba99bd0@chromium.org>
Tested-by: kokoro <2ac7b1f3fa578934c95181d4272be0d3bca00121@google.com>
Reviewed-by: Daniel Verkamp <72bc170b46ec491f7bdd4359a1c0bfed274de40c@chromium.org>

google/crosvm,google/crosvm,google/crosvm,google/crosvm