Allow CCPR in DDL1 images (since DDL itself now supports CCPR)

Bug: skia:7988
Change-Id: I5a626f7c2cece7aa553eb7a754ebd5d73a701759
Reviewed-on: https://skia-review.googlesource.com/130561
Reviewed-by: Eric Boren <borenet@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>

infra/bots/recipes/test.expected/Test-Ubuntu17-Clang-Golo-GPU-QuadroP400-x86_64-Debug-All-DDL1.json

@@ -259,7 +259,6 @@
       "--skpViewportSize",
       "2048",
       "--pr",
-      "~ccpr",
       "~small",
       "--config",
       "gl",

infra/bots/recipes/test.py

@@ -275,7 +275,7 @@ def dm_flags(api, bot):
       # This bot generates gl and vk comparison images for the large skps
       configs = [c for c in configs if c == 'gl' or c == 'vk']
       args.extend(['--skpViewportSize', "2048"])
-      args.extend(['--pr', '~ccpr', '~small'])
+      args.extend(['--pr', '~small'])
     if 'DDL3' in bot:
       # This bot generates the ddl-gl and ddl-vk images for the
       # large skps and the gms