Updated copyright.

bdenham · bdenham · commit dc861d5e923f · 2020-06-11T12:36:24.000-05:00
diff --git a/COPYRIGHT.txt b/COPYRIGHT.txt
@@ -1 +1,2 @@
-© 2019-present Adobe. All rights reserved.
+© 2018-2020 Adobe. All rights reserved.
+CONFIDENTIAL

Original file line number	Diff line number	Diff line change
`@@ -1 +1,2 @@`
`1`		`-© 2019-present Adobe. All rights reserved.`
	`1`	`+© 2018-2020 Adobe. All rights reserved.`
	`2`	`+CONFIDENTIAL`