Chrome 59 shipped animated PNGs (#28770)

https://chromestatus.com/feature/6691520493125632

Author: ddbeck

mediatypes/image/png.json

@@ -53,12 +53,10 @@
             "spec_url": "https://w3c.github.io/png/#apng-frame-based-animation",
             "support": {
               "chrome": {
-                "version_added": "1"
+                "version_added": "59"
               },
               "chrome_android": "mirror",
-              "edge": {
-                "version_added": "12"
-              },
+              "edge": "mirror",
               "firefox": {
                 "version_added": "3"
               },