Enable WPT notifications for the paint team

TBR=chrishtr@chromium.org, robertma@chromium.org
NOTRY=true

Change-Id: Ieaccbe40de8e60bce9ca24523f8445af71c08101
Reviewed-on: https://chromium-review.googlesource.com/848646Reviewed-by: Stephen Chenney <schenney@chromium.org>
Reviewed-by: Robert Ma <robertma@chromium.org>
Commit-Queue: Stephen Chenney <schenney@chromium.org>
Cr-Commit-Position: refs/heads/master@{#526761}

third_party/WebKit/LayoutTests/external/wpt/2dcontext/OWNERS

 # TEAM: paint-dev@chromium.org
 # COMPONENT: Blink>Canvas
+# WPT-NOTIFY: true
\ No newline at end of file

third_party/WebKit/LayoutTests/external/wpt/css/css-transforms/OWNERS

 # TEAM: paint-dev@chromium.org
 # COMPONENT: Blink>Transforms
+# WPT-NOTIFY: true
\ No newline at end of file

third_party/WebKit/LayoutTests/external/wpt/css/geometry/OWNERS

 # TEAM: paint-dev@chromium.org
 # COMPONENT: Blink>Geometry
+# WPT-NOTIFY: true
 xlai@chromium.org
 jinho.bang@samsung.com
 hs1217.lee@samsung.com

third_party/WebKit/LayoutTests/external/wpt/imagebitmap-renderingcontext/OWNERS

 # TEAM: paint-dev@chromium.org
 # COMPONENT: Blink>Canvas
+# WPT-NOTIFY: true
\ No newline at end of file

third_party/WebKit/LayoutTests/external/wpt/images/OWNERS

 # TEAM: paint-dev@chromium.org
 # COMPONENT: Blink>Image
+# WPT-NOTIFY: true
\ No newline at end of file

third_party/WebKit/LayoutTests/external/wpt/offscreen-canvas/OWNERS

 # TEAM: paint-dev@chromium.org
 # COMPONENT: Blink>Canvas
+# WPT-NOTIFY: true
\ No newline at end of file

third_party/WebKit/LayoutTests/external/wpt/svg/OWNERS

 # TEAM: paint-dev@chromium.org
 # COMPONENT: Blink>SVG
+# WPT-NOTIFY: true
\ No newline at end of file