Disable resize for virtual keyboard

This commit disables resize for the virtual keyboard.

BUG=1019990

Change-Id: Ifc602df0e41885518ac8f5e54fd1ea604e24c924
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2120674Reviewed-by: Darren Shen <shend@chromium.org>
Commit-Queue: Darren Shen <shend@chromium.org>
Cr-Commit-Position: refs/heads/master@{#753442}

chromeos/constants/chromeos_features.cc

@@ -353,7 +353,7 @@ const base::Feature kVirtualKeyboardBorderedKey{
 
 // Enable or disable resizable floating virtual keyboard on Chrome OS.
 const base::Feature kVirtualKeyboardFloatingResizable{
-    "VirtualKeyboardFloatingResizable", base::FEATURE_ENABLED_BY_DEFAULT};
+    "VirtualKeyboardFloatingResizable", base::FEATURE_DISABLED_BY_DEFAULT};
 
 // Enable or disable MOZC IME to use protobuf as interactive message format.
 const base::Feature kImeMozcProto{"ImeMozcProto",