Enable VmCameraMicIndicatorsAndNotifications by default

Note that `PluginVmShowCameraPermissions` and
`PluginVmShowMicrophonePermissions` are still off by default.

Bug: b/167491603
Change-Id: Ib8156f470423ee35b088e3b0e18b8b32281fdb2c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2596396
Auto-Submit: Jason Lin <lxj@google.com>
Commit-Queue: Joel Hockey <joelhockey@chromium.org>
Reviewed-by: Joel Hockey <joelhockey@chromium.org>
Cr-Commit-Position: refs/heads/master@{#837802}

chromeos/constants/chromeos_features.cc

@@ -700,7 +700,7 @@ const base::Feature kVirtualKeyboardBorderedKey{
 
 // Enable or disable the camera/mic indicators/notifications for VMs.
 const base::Feature kVmCameraMicIndicatorsAndNotifications{
-    "VmCameraMicIndicatorsAndNotifications", base::FEATURE_DISABLED_BY_DEFAULT};
+    "VmCameraMicIndicatorsAndNotifications", base::FEATURE_ENABLED_BY_DEFAULT};
 
 // Controls whether to enable syncing of Wi-Fi configurations between
 // ChromeOS and a connected Android phone.