Enable VideoFullscreenOrientationLock by default on trunk.

media/base/media_switches.cc

Index: media/base/media_switches.cc
diff --git a/media/base/media_switches.cc b/media/base/media_switches.cc
index eda42753f46e9489d0e93467c48098b51ac2d6b4..5299efe7794b19241204fbc1ecaf68ee281732eb 100644
--- a/media/base/media_switches.cc
+++ b/media/base/media_switches.cc
@@ -189,7 +189,7 @@ const base::Feature kAndroidMediaPlayerRenderer{
 
 // Lock the screen orientation when a video goes fullscreen.
 const base::Feature kVideoFullscreenOrientationLock{
-    "VideoFullscreenOrientationLock", base::FEATURE_DISABLED_BY_DEFAULT};
+    "VideoFullscreenOrientationLock", base::FEATURE_ENABLED_BY_DEFAULT};
 #endif
 
 }  // namespace media