Ignore GMs that will need 565 rebaselines.

BUG=skia:

Review URL: https://codereview.chromium.org/483883004

expectations/gm/ignored-tests.txt

diff --git a/expectations/gm/ignored-tests.txt b/expectations/gm/ignored-tests.txt
index bf3a81e..ad48ccd 100644
--- a/expectations/gm/ignored-tests.txt
+++ b/expectations/gm/ignored-tests.txt
@@ -32,3 +32,12 @@
 ## http://skbug.com/123456 : ignoring failures on gradtext GM test
 ## epoger will rebaseline by 25 Dec 2013
 #gradtext
+
+# mtklein will rebaseline https://codereview.chromium.org/474983007/ (skbug.com/2797)
+gpusamplerstress
+shadertext3
+pictures
+gradtext
+gradients_view_perspective
+drawbitmaprect
+drawbitmapmatrix