[chromecast] Enable new QueryableData bindings on Linux

Set the new QueryableData JS bindings feature on.

Bug: internal b/138623432
Test: E2E manually test
Change-Id: Ia1a3e4f650aeabee3aae90f9e764a63c2d9213b5
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1891738
Auto-Submit: Jiawei Li <lijiawei@chromium.org>
Reviewed-by: Yuchen Liu <yucliu@chromium.org>
Commit-Queue: Jiawei Li <lijiawei@chromium.org>
Cr-Commit-Position: refs/heads/master@{#711043}

chromecast/base/cast_features.cc

@@ -153,7 +153,7 @@ const base::Feature kEnableGeneralAudienceBrowsing{
 
 // Uses unified IPC QueryableData bindings backend instead of v8 injection.
 const base::Feature kUseQueryableDataBackend{"use_queryable_data_backend",
-                                             base::FEATURE_DISABLED_BY_DEFAULT};
+                                             base::FEATURE_ENABLED_BY_DEFAULT};
 
 const base::Feature kEnableSideGesturePassThrough{
     "enable_side_gesture_pass_through", base::FEATURE_DISABLED_BY_DEFAULT};