Allow copying +2 if gerrit-wide config allows

Change-Id: Ia93da893cdf12be66332507452cb56f25109bbaa

project.config

diff --git a/project.config b/project.config
index eccb1b1..0cbf7f1 100644
--- a/project.config
+++ b/project.config
@@ -53,7 +53,7 @@
 	editTopicName = +force group Project Owners
 	editTopicName = +force group mdb/gmscore-size
 	editTopicName = group mdb/r8-team
-[access "refs/meta/config"]o
+[access "refs/meta/config"]
 	exclusiveGroupPermissions = read
 	read = group Project Owners
 	read = group mdb/gmscore-size
@@ -90,7 +90,7 @@
 	value = 0 No score
 	value = +1 Looks good to me, but someone else must approve
 	value = +2 Looks good to me, approved
-	copyCondition = changekind:NO_CHANGE OR changekind:TRIVIAL_REBASE OR is:MIN
+	copyCondition = is:MAX AND has:unchanged-files
 [reviewer]
 	enableByEmail = false
 [capability]