Android OOP-D: Enable by default

Enable this feature by default as we prepare to roll to launch.

Change-Id: I80bc0a1be124a2ae3cae9637de55cda5ef5e9203
Reviewed-on: https://chromium-review.googlesource.com/c/1366866Reviewed-by: kylechar <kylechar@chromium.org>
Commit-Queue: Eric Karl <ericrk@chromium.org>
Cr-Commit-Position: refs/heads/master@{#615673}

components/viz/common/features.cc

@@ -26,8 +26,13 @@ const base::Feature kEnableSurfaceSynchronization{
 // Enables running the display compositor as part of the viz service in the GPU
 // process. This is also referred to as out-of-process display compositor
 // (OOP-D).
+#if defined(OS_ANDROID)
+const base::Feature kVizDisplayCompositor{"VizDisplayCompositor",
+                                          base::FEATURE_ENABLED_BY_DEFAULT};
+#else
 const base::Feature kVizDisplayCompositor{"VizDisplayCompositor",
                                           base::FEATURE_DISABLED_BY_DEFAULT};
+#endif
 
 // Enables running the Viz-assisted hit-test logic.
 #if defined(OS_CHROMEOS)