flag to make kClipToLayer_SaveFlag the default behavior

#define SK_SUPPORT_LEGACY_CLIPTOLAYERFLAG to get the old behavior

The goal is to remove the feature of saveLayer that allows the canvas to draw outside of the top-most layer.

R=robertphillips@google.com, scroggo@google.com

Review URL: https://codereview.chromium.org/190723004

git-svn-id: http://skia.googlecode.com/svn/trunk@13730 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/expectations/gm/ignored-tests.txt b/expectations/gm/ignored-tests.txt
index 7abbf10..31f90fc 100644
--- a/expectations/gm/ignored-tests.txt
+++ b/expectations/gm/ignored-tests.txt
@@ -46,3 +46,9 @@
 bezier_quad_effects
 bezier_conic_effects
 bezier_cubic_effects
+
+# reed: https://codereview.chromium.org/190723004/
+# This change removes an API that this GM was testing. If/when it lands and sticks,
+# I will likely just delete the GM.
+canvas-layer-state
+