Add a patch and an atlas to the ImageFilter GM slide.
Add a patch and an atlas to the ImageFilter GM slide.

This exposes a recently-discovered issue where image filters were not
always applied to some types of canvas draws.

Change-Id: I17ef000d067ad2a41f06ff6e2220ea9915db6f99
Bug: skia:10660
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/312842
Commit-Queue: Mike Reed <f5cabf8735907151a446812c9875d6c0c712d847@google.com>
Reviewed-by: Mike Reed <f5cabf8735907151a446812c9875d6c0c712d847@google.com>
Auto-Submit: John Stiles <f4fcf42d3bb5924557f1eeb3be66747535e585da@google.com>

google/skia,google/skia,aosp-mirror/platform_external_skia,google/skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,google/skia,aosp-mirror/platform_external_skia,google/skia,aosp-mirror/platform_external_skia,google/skia,aosp-mirror/platform_external_skia,google/skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,google/skia,google/skia,aosp-mirror/platform_external_skia,google/skia