Automated g4 rollback of changelist 158923709.

*** Reason for rollback ***

It's not necessary anymore after we verified it could be controlled from server side.

*** Original change description ***

Flip flag to enable ReturnToCall bubble.

Enables ReturnToCall bubble and changes the name of the flag so that it can be toggled independently from previous versions.

***

Also in the change: Restore TODOs

Test: TH

PiperOrigin-RevId: 159587541
Change-Id: I88f01550f07a7859f41b4f0fc843e92b38f5a85b
diff --git a/java/com/android/incallui/VideoCallPresenter.java b/java/com/android/incallui/VideoCallPresenter.java
index bd98370..70f95e0 100644
--- a/java/com/android/incallui/VideoCallPresenter.java
+++ b/java/com/android/incallui/VideoCallPresenter.java
@@ -761,7 +761,7 @@
   /**
    * Adjusts the current video mode by setting up the preview and display surfaces as necessary.
    * Expected to be called whenever the video state associated with a call changes (e.g. a user
-   * turns their camera on or off) to ensure the correct surfaces are shown/hidden. TODO: Need
+   * turns their camera on or off) to ensure the correct surfaces are shown/hidden. TODO(vt): Need
    * to adjust size and orientation of preview surface here.
    */
   private void adjustVideoMode(DialerCall call) {
@@ -843,7 +843,7 @@
     if (!hasCameraPermission) {
       videoCall.setCamera(null);
       mPreviewSurfaceState = PreviewSurfaceState.NONE;
-      // TODO: Inform remote party that the video is off. This is similar to b/30256571.
+      // TODO(wangqi): Inform remote party that the video is off. This is similar to b/30256571.
     } else if (isCameraRequired) {
       InCallCameraManager cameraManager = InCallPresenter.getInstance().getInCallCameraManager();
       videoCall.setCamera(cameraManager.getActiveCameraId());