Correct error in Configuration.updateFrom

When updating the non direction members of screenLayout
we check that they are not in total undefined, before
accepting the new value in full. This was enough for LONG/SIZE
which are always undefined or set together. It seems we have paths
now where SCREENLAYOUT_ROUND however can be undefined and the others
will be set. In this case if we pass a configuration with
SCREENLAYOUT_ROUND_UNDEFINED but LONG/SIZE set to updateFrom then
we will overwrite our previous SCREENLAYOUT_ROUND value.
This triggers extra configuration changes. We take extra care with
SCREENLAYOUT_COMPAT_NEEDED as it doesn't have an undefined value.

Bug: 33098677
Test: bit FrameworksCoreTests:android.content.res.ConfigurationTest
Change-Id: I6e7d123d5444f93c511aeb6e0f3adfea2a480352