[cc] Add DIR_METADATA files.

Generate DIR_METADATA files
and remove metadata from OWNERS files
for //cc.

Bug: 1113033
Change-Id: If22ea2d9d173834a0e09151f30257603a7c61779
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2441274Reviewed-by: danakj <danakj@chromium.org>
Commit-Queue: Norman Rosas <normando@google.com>
Cr-Commit-Position: refs/heads/master@{#813473}

cc/DIR_METADATA

+monorail {
+  component: "Internals>Compositing"
+}
+
+team_email: "graphics-dev@chromium.org"

cc/OWNERS

@@ -55,6 +55,3 @@ sadrul@chromium.org
 # general
 danakj@chromium.org
 vmpstr@chromium.org
-
-# TEAM: graphics-dev@chromium.org
-# COMPONENT: Internals>Compositing

cc/raster/DIR_METADATA

+monorail {
+  component: "Internals>Compositing>Rasterization"
+}

cc/raster/OWNERS

-# COMPONENT: Internals>Compositing>Rasterization