Make notice order more deterministic.

Bug: 230357391

Test: m droid dist
Change-Id: Ib3f771f9fd16743fca3f6c80c2ff85c9e42772a9
diff --git a/tools/compliance/noticeindex.go b/tools/compliance/noticeindex.go
index f082383..50f808b 100644
--- a/tools/compliance/noticeindex.go
+++ b/tools/compliance/noticeindex.go
@@ -360,7 +360,8 @@
 						continue
 					}
 				}
-				for r, prefix := range SafePrebuiltPrefixes {
+				for _, r := range OrderedSafePrebuiltPrefixes {
+					prefix := SafePrebuiltPrefixes[r]
 					match := r.FindString(licenseText)
 					if len(match) == 0 {
 						continue